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keenest

ADJECTIVE

enthusiastic

Synonyms

STRONGEST

anxious ardent avid eager fervent fierce impatient intense

STRONG

alert animate animated devoted earnest intent interested spirited warm

WEAK

agog appetent athirst breathless dying to ebullient fervid fond of gung ho impassioned lively perfervid sprightly thirsty vehement vivacious zealous

Antonyms

STRONGEST

apathetic calm cool dispassionate indifferent peaceful unconcerned unenthusiastic

STRONG

lethargic

WEAK

blunt dull idiotic ignorant obtuse pointless reluctant stupid uninterested

ADJECTIVE

sharp, piercing

Synonyms

STRONGEST

acute intense strong

STRONG

acid caustic cutting edged extreme fine honed penetrating pointed tart

WEAK

incisive observant perceptive quick-witted razor-sharp sardonic satirical trenchant unblunted

Antonyms

STRONGEST

dull mild moderate

STRONG

blunt kind nice soothing sweet

WEAK

idiotic ignorant obtuse pointless reluctant stupid unenthusiastic uninterested

ADJECTIVE

intelligent

Synonyms

STRONGEST

astute discriminating quick sensitive sharp shrewd wise

STRONG

Einstein discerning whiz

WEAK

bright brilliant canny clever nobody's fool perceptive perspicacious sagacious sapient sharp as a tack

Antonyms

STRONGEST

foolish ignorant lazy slow stupid unintelligent

WEAK

blunt dull idiotic obtuse pointless reluctant unenthusiastic uninterested

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The event was hosted by Wendy Cutler, a veteran American trade negotiator and one of Washington’s keenest observers of Asian trade policy.

From The Wall Street Journal • Apr. 21, 2026

For our money, Jim is both the funniest and keenest politics writer in the United States—which is to say, readers, your long national nightmare is over!

From Slate • Aug. 30, 2025

Among the keenest observers of the test flights in Texas is Nasa.

From BBC • Jun. 6, 2024

The most exciting auteurs are the keenest readers of plays.

From Los Angeles Times • May 9, 2024

Hutton was by all accounts a man of the keenest insights and liveliest conversation, a delight in company, and without rival when it came to understanding the mysterious slow processes that shaped the Earth.

From "A Short History of Nearly Everything" by Bill Bryson