Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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name
Albert Einstein, the world-famous 20th-century theoretical physicist who developed the theory of relativity.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
name
A surname from German.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An extremely clever or intelligent person.
Definition source: English Wiktionary via Wiktextract
Usage: sarcastic, sometimes
Synonyms: Albert Einstein, Buddha, clever clogs, clever dick, know-all, know-it-all, smart aleck, smart ass, smarty, smarty pants, wiseacre, wiseass, wise-ass, wisenheimer
Antonyms: none provided
noun
One mole of photons, regardless of frequency, as used to measure irradiance.
Definition source: English Wiktionary via Wiktextract
Usage: dated
Synonyms: none provided
Antonyms: none provided
noun
A genius; a very smart person.
Definition source: English Wiktionary via Wiktextract
Usage: informal
Synonyms: boffin, brain, brainiac, bright spark, egghead, geek, nerd, Poindexter, propeller head, shrewd article, smart cookie, supernerd, whiz
Antonyms: none provided
noun
A genius; a very smart person.
An idiot; a very stupid person.
Definition source: English Wiktionary via Wiktextract
Usage: broadly, informal, sarcastic
Synonyms: boffin, brain, brainiac, bright spark, egghead, geek, nerd, Poindexter, propeller head, shrewd article, smart cookie, supernerd, whiz, addle-brain, addlehead, addle pate, airhead, baboon, beanbrain, beetlebrain, beetlehead, berk, bimbo, birdbrain, blockhead, blubberbrain, bonehead, Boeotian, boob, bozo, brainlet, brickhead, bubblehead, bubble brain, bufflehead, buffoon, Charlie, chowderhead, chucklehead, chump, cittern-head, clod, clodpate, clot, clown, crackhead, cretin, cuckoo, deadhead, dimbo, dim bulb, dimbus, dimwit, dingbat, ding dong, dingleberry, dingwad, dip, dipstick, doldrum, dolt, donut, doodle, doof, doofoid, doofus, dope, dork, drivel, drongo, drool bucket, dullard, dumb bunny, dumbbell, dumb cluck, dumbhead, dumble, dumbling, dumbnut, dumbo, dummkopf, dummy, dunce, dunderhead, dunderpate, eejit, fathead, featherbrain, fenderhead, fleabrain, fool, fopdoodle, galoot, gimboid, gomer, gonk, goober, goof, goofball, goofy, goon, goose, goosecap, gorbuson, gudgeon, halfwit, ha'porth, hammerhead, idiot, ignoramus, imbecile, inbred, jackaninny, jellybrain, jerk, juggins, jughead, knothead, knucklehead, lackwit, lamebrain, log, loggerhead, lummox, lunk, lunkhead, maroon, meatball, meathead, mental midget, mome, momo, mongoloid, mongtard, monkey, moron, mouth breather, muggins, mushhead, muttonhead, mutt, nimrod, nincompoop, ninny, ninnyhammer, nit, nitwit, noddy, noodlehead, numbskull, oaf, peabrain, peagoose, pillock, pigwidgeon, pinhead, plank, plonker, prat, put, putz, retard, sap, saphead, schmo, silly, simp, simpleton, smooth brain, snapperhead, sot, space cadet, spanner, stupe, stupid, stupid-head, tard, thickhead, thickskull, thicko, tomfool, tonto, toolbox, tosspot, turkey, twit, wally, wantwit, wazzer, wazzock, witless wonder, yo-yo, zany, Vulgar:, ass, assclown, asshat, asshead, asstard, asswipe, buttbreath, dildo, dipshit, donkey dick, Alternative spelling of dumbass., dumbfuck, dumbfucker, dumbshit, farthead, fuck-knuckle, fucktard, fuckwit, jackass, peckerhead, shitbrain, shithead, shitneck, shitwit, twat
Antonyms: none provided
noun
A shape that can be repeated to cover a plane with a nonrepeating pattern.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, natural-sciences, physical-sciences, physics, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
someone who has exceptional intellectual ability and originality
Definition source: Princeton WordNet 3.0
Synonyms: genius, mastermind, brain, brainiac
Antonyms: none provided
Broader terms: intellectual, intellect
Narrower terms: prodigy
noun
physicist born in Germany who formulated the special theory of relativity and the general theory of relativity; Einstein also proposed that light consists of discrete quantized bundles of energy (later called photons) (1879-1955)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Albert Einstein
Antonyms: none provided
Broader terms: physicist
History
Borrowed from German Einstein. * The common noun is an eponym of Albert Einstein.
Named in honor of Albert Einstein, who explained the photoelectric effect.
From German ein Stein, "one stone", coined by scientists in recent decades, but with tongue-in-cheek tacit acknowledgment of the homonymy with einstein and Einstein; "a pun playing with the famous scientist's name and the German term "ein Stein" for "one stone".
Across languages
37 source translations are retained for this English entry.
