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.

In the first quarter, they reached about 60% of the fund, people familiar with the matter said.

From The Wall Street Journal • Jun. 25, 2026

A person familiar with Iran’s diplomacy in Switzerland said its negotiating team there doesn’t include psychologists and the country prefers not to engage in psychological speculation on Trump’s motives or decisions.

From The Wall Street Journal • Jun. 24, 2026

Even if the president is only loosely familiar with Hildebrand, the oil tycoon is someone you should know about.

From Salon • Jun. 24, 2026

The sale of the jet engines is a so-called direct commercial sale in which U.S. companies can sell military equipment overseas with government permission, according to people familiar with the deal.

From The Wall Street Journal • Jun. 24, 2026

“I’m not familiar with it either. What we need is a dictionary.”

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin

familiar with

Example Sentences

Related Words