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Cool Words to Say

Cool Words You Can Say to Be a Geek Without Sounding Like One

Are you looking for some cool words to impress your friends? If yes, you are at the right place as here you will find a list of cool words that you can use during informal conversations.
SocialMettle Staff
Last Updated: Mar 19, 2018
Many people, especially teenagers have the habit of using certain words in between conversations which they consider to be really cool. Many times these words do not have any meaning. But, then why are these words considered to be cool? One of the main reasons that make people use these words is the way they sound. Another reason would be just to impress the people they are talking to. However, many of these words have become common and hence, people are in search of some cool words that will make them stand out among a group of friends. So, if you are interested, here is a list of really cool words that you can use while talking to them.
List of Sophisticated Words
Most of us have the habit of using a word that comes to the mind automatically during certain situations. Though there are people who use it because they know their meaning, there are many who say something because it sounds really cool. On the other hand, as I said earlier, many of these words do not mean anything and even if they do, they are not said because of its meaning. Rather, it is just the effect that it gives to one's speech, is what makes it really cool. So, let us take a look at some of these cool words. (Do keep in mind though to take most of the meanings mentioned here with a pinch of salt, as they are meant solely to tickle your funny-bone.)
A
Aborigine : a member of any of the indigenous people of Australia

Albuquerque : from the Latin: Absconditus : meaning hidden, concealed

Ambidextrous : unusually skillful

Anemone : a type of garden plan
Antasmagorical : a confusing or strange scene that is like a dream because it is always changing in an odd way

Apropos : suitable or appropriate

Arachnophobia : the fear of spiders

Archipelago : a group of islands
Artichoke : a phrase used in expressing affection or love to someone, synonymous with the sentence 'I love you'

Ashen : having a pale light gray color because of sickness, fear, etc.

Aspersions : to criticize (someone) harshly or unfairly

Assay : to test something (such as a metal or drug) to find out what it contains
Assonance : the use of words that have the same or very similar vowel sounds near one another

Astral : involving a person's spirit rather than the body

Augur : to show or suggest something that might happen in the future

Avuncular : like an uncle : kind or friendly like an uncle
B
Babble : to talk foolishly or too much

Banterific : an adjective similar to fantastic or brilliant

Beautimous : beautiful & fabulous at the same time

Bedlam : a very noisy and confused state or scene
Beeblebrox's gambit : a tactical maneuver, used while getting hammered, that involves
sending down more drinks to report on or assess the progress of previous ones

Blotchy : a usually dark-colored spot especially on the skin

Blubber : a large amount of fat

Bongo : a person or animal that has deep-rooted psychological or mental illness
Borborygmus : stomach rumble

Bowchickawowwow : a sound to show excitement

Boysenberry : a large reddish-black berry that has the flavor of a raspberry

Bravura : great skill and energy in doing something
Brouhaha : uproar, hubbub, general noise and confusion

Buff : very strong and well-built

Buggy : something that is annoying, obnoxious, frustrating

Bush : one who puts self-gains in front of human life

Buzz : gossip
C
Cacophony : a collection of annoying, out-of-place sounds

Cantankerous : hard to get along with, troublesome

Cerulean : pleasing to the eye

Chachapoyas : strong male
Charley horse : a stiff and painful cramp in a muscle

Chasuble : a sleeveless vestment

Chimichanga : (Just sounds pretty cool!)

Chunk : something large or massive
Clang : a loud sound

Clapper : urban slang: a gun

Clipped : urban slang: to shoot someone

Cloaca : an idiot
Clorox : almost sure

Clover : someone who always gets lucky

Cloying : overly sweet or sentimental

Cognizable : capable of being known
Colloquy : a high-level serious discussion

Concupiscence : strong desire

Conspicuous : likely to attract attention

Coprolite :  technical term for fossilized dung - literally, an ancient piece of shit
Corinthian : a merry profligate man

Crawly : creepy

Crinkle : a cross between a crease and a wrinkle

Crunch : to chew or press with a crushing noise

Curmudgeon : a crusty, ill-tempered, and usually old man
D
Debauchery : extreme indulgence in sensuality

Dimple : a slight natural indentation in the surface of some part of the human body

Doodle : to draw thoughtlessly, usually out of boredom

Drongo : a stupid, inept, dimwit or slow-witted person

Droopy : gloomy
E
Edentulous : toothless

Eel : a person that is disliked by his looks and behavior

Embellish : to heighten the attractiveness of by adding decorative or fanciful details

Exacerbate : to make more violent, bitter, or severe
F
Fandango : trying hard to be cool, in an ostentatious or overly obvious way, usually with style of dress but also can include mannerisms or behavior

Fealty : intense fidelity

Ferret : an active and persistent searcher

Festoon : to adorn what otherwise may've been met with scorn
FĂȘte : a large elaborate party

Fictive : not genuine

Fisticuffs : a fight with the fists

Flabbergast : to overwhelm with shock, surprise, or wonder

Flagitious : marked by scandalous crime or vice
Flashy : other word for cool, nice, sexy

Flowy : something that flows; soft; delicate; beautiful; perhaps slow; glides smoothly

Foamy : full of, consisting of, or resembling foam

Frazzled : to put in a state of extreme physical or nervous fatigue
Freckles : any of the small brownish spots on the skin due to augmented melanin production that increase in number and intensity on exposure to sunlight

Frick : euphemism for 'f#ck'

Frivolous :of little weight or importance

Frizzy : tightly curled
Fructose : urban slang: to scam someone with excessive niceness

Fuji : a spun silk clothing fabric in plain weave originally made in Japan

Fusillade : a spirited outburst especially of criticism

Fusty : rigidly old-fashioned or reactionary

Futtock : an irritating person or fool, sounds rude but isn't
G
Geek : a person often of an intellectual bent who is disliked

Gimpy : a nickname for someone who is retarded, handicapped, or a wordspazz

Glare : to stare angrily or fiercely

Gnarly : urban slang: difficult, or hairy
Gonfalon : a flag that hangs from a crosspiece or frame

Gorgonzola : used in reference to something which is totally useless

Grok : to understand profoundly and intuitively

Gubernatorial : of or relating to a governor

Gumshoe : to engage in detective work
H
Harbinger : one that pioneers in or initiates a major change

Heckle : to harass and try to disconcert with questions, challenges, or gibes

Heliocentric : referred to or measured from the sun's center or appearing as if seen from it

Heterodoxy : the quality or state of being heterodox
Hijinks : boisterous or rambunctious carryings-on

Hokum : pretentious nonsense

Hortatory : giving strong encouragement, throwing away any depressed, listless, and abject mind from someone who suffers distraction of mind

Hubris : exaggerated pride or self-confidence
Huddle : to crowd together

Hyperventilate : to breathe rapidly and deeply

Hysteria : behavior exhibiting overwhelming or unmanageable fear or emotional excess
I
Icicle : an emotionally cold person

Icky : offensive to the senses or sensibilities

Iconoclast : a person who attacks settled beliefs or institutions

Incomprehensible : having or subject to no limits

Ineffable : incapable of being expressed in words
J
Jabberwocky : meaningless speech or writing

Jactance : vainglorious boasting

Jazzy : marked by unrestraint, animation, or flashiness

Jocose : indicative of or marked by high spirits or good humor
K
Kakidrosis : secretion of sweat of a disagreeable odor

Kamerad : used by German soldiers in World War I as a cry of surrender

Kamikaze : having or showing reckless disregard for safety or personal welfare

Katzenjammer : hangover, distress

Kazoo : A greeting used in certain parts of New York City

Kewl : Internet slang and spelling for the word 'cool'
L
Lilliputian : small, miniature

Linchpin : one that serves to hold together parts or elements that exist or function as a unit

Lisp : to speak falteringly, childishly, or with a lisp

Lobe : a curved or rounded projection or division

Loopy : crazy, bizarre
Louche : not reputable or decent

Ludicrous : amusing or laughable through obvious absurdity, incongruity, exaggeration, or eccentricity

Lugubrious : exaggeratedly or affectedly mournful

Lumpsucker : a fish of the family Cyclopteridae
M
Malefic : causing or capable of causing harm or destruction

Masticate : to soften or reduce to pulp by crushing or kneading

Maudlin : weakly and effusively sentimental

Melancholy : a pensive mood
Metamorphosize : transform

Miasmic : an influence or atmosphere that tends to deplete or corrupt

Minty : urban slang: embarrassing

Moxie : courage, determination
N
Nary : not any, not one

Natty :
 trimly neat and tidy

Nebbish : a timid, meek, or ineffectual person

Nefandous : unfit to be spoken of

Neon : extremely bright
O
Oaxaca : sometimes used as a curse word

Obfuscate : to be evasive, unclear, or confusing

Obnoxious : extremely unpleasant

Obsequious : to use excessive flattery
Obsolescent : going out of use

Ocelo : to attack, to assault

Ochlocracy : government by the mob

Oncogenes : a gene having the potential to cause a normal cell to become cancerous
Orifice : an opening through which something may pass

Orotund : pompous, bombastic

Osculate : kiss
P
Paragon : a model of excellence or perfection

Paroxysm : a sudden violent emotion or action

Peachy : unusually fine

Pellet : a bitter person, who is difficult to deal with
Peppercorn : something that is worthless

Precipitate : to bring about especially abruptly

Perdition : eternal damnation

Periwinkle : a light purplish blue flower
Perky : briskly self-assured

Presto : suddenly as if by magic

Phylactery : an amulet

Piddle : urinate

Pinochle : a card game
Plasticize : the act of pursuing cosmetic surgery beyond corrective procedures

Plinth : falling, usually as the result of inebriation

Plop : to set, drop, or throw heavily

Plutonic : a friendship or relationship in which there is no possibility of romantic progress
Podunk : a small, unimportant, and isolated town
 
Poinsettia : a popular flowering plant

Poltroon : 
a spiritless coward

Preposterous : 
contrary to nature, reason, or common sense
Prodigious : exciting amazement or wonder

Promulgate : to put into action or force

Pugilism : boxing

Pumpernickel : a dark coarse sourdough bread made of unbolted rye flour
Q
Quadragenarian : a person between 40 and 49 years of age

Quack : one who makes false claims of identity or expertise

Quintessential : the most typical example or representative

Quixotic : foolishly impractical especially in the pursuit of ideals

Quotidian : occurring every day
R
Ravenous : very eager or greedy for food, satisfaction, or gratification

Rectitude : conduct that conforms to an accepted standard of right and wrong

Resplendent : shining brilliantly

Roly-poly : short and pudgy

Rutabaga : a kind of turnip
S
Saccade : a small rapid jerky movement of the eye especially as it jumps from fixation on one point to another (as in reading)

Saccate : having the form of a sac or pouch

Salience : a striking point or feature

Satsuma : any of several cultivated cold-tolerant mandarin trees that bear medium-sized largely seedless fruits with thin smooth skin
Schadenfreude : enjoyment obtained from the troubles of others

Schnitzel : a seasoned and garnished veal cutlet

Scion : a descendant of a wealthy, aristocratic, or influential family

Scramble : to move with urgency or panic
Scrumptious : delightful, excellent

Semaphore : a system of visual signaling by two flags held one in each hand

Serendipity : the faculty or phenomenon of finding valuable or agreeable things not sought for

Shimmer : to shine with a soft tremulous or fitful light
Shrew : an ill-tempered scolding woman

Sinuous : winding

Skamakowitz : (Just sounds really cool! Tip: Goes great with a fake Russian accent!)

Skank : urban slang: a person and especially a woman of low or sleazy character
Sliced : urban slang: describing anything good

Sliver : a small and narrow portion

Slushy : having a cheaply sentimental quality

Smarmy : of low sleazy taste or quality
Sonic : having a frequency within the audibility range of the human ear

Specificity : the quality or condition of being specific

Spiffy : fine looking

Squelch : to completely suppress

Starry : shining like stars
Sternum : front chest bone to which ribs are joined

Stiletto : a slender dagger with a blade thick in proportion to its breadth

Stochastic : involving chance or probability

Stroll : to walk in a leisurely or idle manner
Sturm und Drang : turmoil

Subjugate : to make submissive

Subterfuge : deception by artifice or strategem in order to conceal, escape, or evade

Sudsy : a generally positive and acceptable situation, person, place or thing
Supercilious : coolly and patronizingly haughty

Sutler : a civilian provisioner to an army post often with a shop on the post

Swank : show off, swagger

Swashbuckler : a swaggering or daring soldier or adventurer
T
Tabula rasa : something existing in its original pristine state

Taciturn : temperamentally disinclined to talk

Thorn : something that causes distress or irritation

Thump : whip, thrash

Thunk : to produce a flat hollow sound
Tingle : to feel a ringing, stinging, prickling, or thrilling sensation

Titicaca : name of a lake in Peru (just sounds cool)

Tornadic : an adjective used to emphasize extreme amazement - in a manner that would 'make a person's head spin' - like a tornado

Turgid : excessively embellished in style or language

Tutelary : having the guardianship of a person or a thing
U
Umbra : a shaded area

Unction : revealing or marked by a smug, ingratiating, and false earnestness or spirituality

Undulant : rising and falling in waves

Upchuck : vomit
V
Vagile : free to move about

Vaniloquence : vain or foolish talk

Vendetta : an often prolonged series of retaliatory, vengeful, or hostile acts or exchange of such acts

Veracious : being in the habit of telling the truth

Voluble : easily rolling or turning
W
Waffling : to talk or write foolishly

Warble : a melodious succession of low pleasing sounds

Wedgie : the condition of having one's clothing wedged between the buttocks usually from having one's pants or underpants yanked up from behind as a prank
Weimerheiner : (another cool word that just sounds very German!)

Wenus : the skin on your elbow

Whirligig : one that continuously whirls, moves, or changes
X
Xanthippe : an ill-tempered woman

Xenial : of, relating to, or constituting hospitality or relations between host and guest

Xenodocheionology : the lore of hotels and inns

Xenophobia : fear and hatred of strangers or foreigners or of anything that is strange or foreign

Xylology : a branch of dendrology dealing with the gross and the minute structure of wood
Y
Yeanling : lamb, kid

Yamen : the headquarters or residence of a Chinese government official or department

Yegg : safecracker

Younker : a young man

Yeuk : itch
Z
Zaftig : having a full rounded figure

Zappy : very quick or speedy

Zeal : eagerness and ardent interest in pursuit of something

Zeitgeist : the general intellectual, moral, and cultural climate of an era
Zenith : the highest point reached in the heavens by a celestial body

Zesty : appealingly piquant or lively

Zine : a noncommercial often homemade or online publication usually devoted to specialized and often unconventional subject matter

Zinger : something causing or meant to cause interest, surprise, or shock
Zoetic : of or relating to life

Zonked : stupefied by or as if by alcohol or a drug

Zounds : euphemism for God's wounds
Meanings from Merriam-Webster, and the Urban Dictionary
You can choose one or two among these cool words as your own signature words which you can use when you hear something about a particular situation, person or thing. So, choose your favorites among this list of cool words and impress your friends by using them in a unique way.