Definitions

knowledgeable

[nol-i-juh-buhl] / ˈnɒl ɪ dʒə bəl /

ADJECTIVE

aware, educated

Synonyms

STRONGEST

appreciative brilliant conscious conversant discerning experienced informed insightful intelligent learned perceptive sensible smart sophisticated well-informed well-rounded wise

STRONG

apprised au courant au fait in the know

WEAK

abreast acquainted with alert brainy bright clever cognizant erudite familiar with knowing lettered omniscient plugged in posted prescient privy quick-witted sagacious sage savvy scholarly sharp sophic tuned-in understanding versed with it

Antonyms

STRONGEST

ignorant inexperienced unaware uninformed unintelligent unknowledgeable unreasonable unsophisticated unwise

WEAK

uneducated

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.

Word-of-mouth referrals from knowledgeable people are the way good doctors build their practices.

From MarketWatch • Jun. 3, 2026

She told the BBC the King was "very knowledgeable all about Horizon".

From BBC • Jun. 2, 2026

“But there are areas where you can say no, it’s investing. You’re deeply knowledgeable, you’re taking the other side of a bet, and you think you know better than the other person.”

From Barron's • May 7, 2026

Meeting some of you in person reinforced what my inbox proves every week: You are smart, prudent, curious, skeptical, knowledgeable and, above all, nice.

From The Wall Street Journal • May 5, 2026

“Grandpapa used to say, about difficulties he had gone through, ‘It did not kill me, it made me knowledgeable.’

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

Vocabulary lists containing knowledgeable

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Employment, List 3

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