Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Acuteness of vision or perception; keenness.
Century Dictionary and Cyclopedia
- n. Sharpness; acuteness.
Wiktionary
GNU Webster's 1913
- n. Sharpness or acuteness, as of a needle, wit, etc.
WordNet 3.0
- n. a quick and penetrating intelligence
- n. sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
Etymologies
- From Middle French acuité, from Medieval Latin acuitas, irreg., from Latin acuō ("sharpen"). (Wiktionary)
- Middle English acuite, from Old French, ultimately from Latin acūtus, sharp; see acute. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“AGENT ORANGE, annoyed: Your visual acuity is uncanny.”
Superhero Nation: how to write superhero novels and comic books » I submit within a month…
“Terry Pratchett, who has early-onset Alzheimer's (and whose mental acuity is still fine) has written a stirring editorial on the need to legalize suicide in the UK.”
“She just turned 90, and her mental acuity is better than most people half her age.”
“This favorable assessment of Marcos 'mental acuity is shared by foreign observers, Alexander Cockburn, the acerbic English Marxist who writes a column for The Nation, rarely has anything but disdain for the intellect of other writers.”
“This has left much of the training of journalists to the junior colleges, which re the least qualified in acuity and course standards.”
Woodstein U: Notes on the Mass Production and Questionable Education of Journalists
“Schumer’s political acuity is increasingly guiding Senate Democrats.”
“If he's forgotten, well, (to be polite and non-diagnostic) it's fair to question whether he's losing mental acuity, which is more sad than anything else.”
“Usually, if you're 2,200 in visual acuity, that is considered legally blind.”
“But sleeplessness robbed me of the last 5-10 per cent of my mental acuity, which is where I find the motivation to actually accomplish things.”
“The test, called fixation preference test (FPT), is used to evaluate visual acuity, which is the ability of the eyes to focus images on the macula, the part of the eye that handles detailed vision.”
Lists
These user-created lists contain the word ‘acuity’.
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GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4087 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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Words build meanings from origins( et...
These come from gamma meditation ,I think.
discursive, exogenous, machinations, purportedly, sumptuous, congruity, cantankerous, incongruous, festoon, hessian, ratiocinative, stratigraphic and 2046 more...
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BIOL - the brain
tumor, retina, tremor, arousal, clot, ruptured blood ve..., pressure on a blo..., brain region, comprehension of ..., production of mea..., autonomic nervous..., conservation of t... and 564 more...
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Serendipity's Words
defenestration, mercurial, syzygy, wicked, iniquitous, metastable, demimonde, entropic, ephemeral, irreligious, frisbee, manifold and 474 more...
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GRE Words
abjure, unswear, state, rescission, indemnification, ab, reny, abnegate, vitiated, vitiate, adumbrated, abash and 378 more...
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SAT Vocab
Redundant.
problematic, proclivity, prodigal, prodigious, prodigy, profane, profligate, profound, profusion, proliferation, prolific, prologue and 455 more...
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azd's Words
adamantine, abatial, ablate, ablative, abrogate, accretive, acromegaly, acrostic, actinism, actinic, acuity, adduce and 968 more...
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JLaughWork's Words
sesquipedalian, perspicacity, fervid, onomatopoeia, eschatology, prognostication, pedagogue, expiation, integrity, metamorphosis, supercilious, xenophilia and 229 more...
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stpeter's Words
abase, abasement, abashed, abdicate, aberrant, abeyance, abhor, abhorrent, abide, abject, ablation, abnegation and 3536 more...
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list1
abash, abate, abbreviate, abdicate, aberrant, abet, abeyance, abhor, abide, abject, abjure, ablution and 106 more...
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solarider's Words
maelstrom, leviathan, apiology, deconstruction, confluence, minutiae, onomatopoeia, tardy, ad infintum, tocophobia, cuckold, oblique and 110 more...
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practice 1
daily practice
enamor, blatant, cornucopia, conspicuously, ensconce, obdurate, plausible, reprieve, gaudy, tawdry, obfuscate, bewilder and 105 more...
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What Do You Mean @
What Abt these ... :)
somber, self effacing, conundrum, outlandish, mesmerize, endemic, shelve, fledgling, acolyte, absurd, rampant, narcissist and 163 more...
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pword
vexatious, verdigris, variegated, diatribe, vicissitude, conflagration, plurality, paragon, charlatan, panacea, sycophant, plenitude and 347 more...
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random
words I read but don't know
nascent, proxy, desultory, charlatan, churlish, emaciated, gaudy, shill, lurid, frisson, marauding, plunder and 610 more...
Tweets
Looking for tweets for acuity.

yarb It was the precise photographic picture of that other room. Everything in it rose before him and pressed itself upon his vision with the same acuity of distinctness as the objects surrounding him.
- Edith Wharton, The Reef Jun 18, 2008