familiar with

ADJECTIVE

accustomed to

Synonyms

WEAK

acclimated to acclimatized to adapted to adjusted to in the habit of

ADJECTIVE

acquainted

Synonyms

STRONGEST

abreast conversant informed

STRONG

advised enlightened familiarized

WEAK

apprised of clued in in the know versed in

Antonyms

STRONGEST

ignorant

ADJECTIVE

efficient

Synonyms

STRONGEST

able active adept adequate capable competent decisive dynamic economical effective energetic potent powerful productive profitable skilled skillful tough useful valuable

WEAK

accomplished adapted apt businesslike clever conducive deft economic effectual efficacious equal to experienced expert fitted good at good for handy masterly organized practiced proficient qualified ready saving shrewd systematic talented virtuous well-organized

Antonyms

STRONGEST

delicate fragile idle impotent inactive inadequate incapable incompetent ineffective inept lazy sluggish unable unskilled unskillful useless weak worthless

WEAK

helpless inefficient powerless

ADJECTIVE

introduced

Synonyms

WEAK

acquainted with on speaking terms

ADJECTIVE

knowledgeable

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 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

ADVERB

used to

Synonyms

WEAK

acclimated

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.

People familiar with the investigation told ProPublica that prosecutors believed they had a strong case.

From Salon • Jun. 10, 2026

Those who have been referred to federal authorities this year include former New York Congressman George Santos and accounts linked to military spouses, according to people familiar with the matter.

From The Wall Street Journal • Jun. 9, 2026

For those familiar with options, the mandatory convertible amounts to common stock plus the sale of a call spread.

From Barron's • Jun. 9, 2026

“I am too familiar with the feeling of working and taking on low-wage work while feeling invisible because my voice is disregarded just because of our broken immigration system,” McManus said.

From Los Angeles Times • Jun. 9, 2026

Was Watt familiar with the concept of latent heat when he devised his new engine, and did the new theory inform his new technology?

From "The Invention of Science" by David Wootton

familiar with

Example Sentences

Related Words