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Definitions

inform

[in-fawrm] / ɪnˈfɔrm /
VERB
communicate knowledge, information
Synonyms
STRONGEST
advise apprise brief caution educate instruct notify tell update warn
STRONG
acquaint betray blab clue edify endow endue enlighten familiarize forewarn illuminate inspire invest leak level post relate snitch squeal tattle teach tip tout
WEAK
fill in give a pointer give a tip give away give two cents let in on let know make conversant with send word show the ropes tell on wise
Antonyms
STRONGEST
hide learn
STRONG
be quiet conceal deceive keep secret mislead obscure withhold
WEAK
secret

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 a recent interview, Ortiz said he chose not to inform police because he hadn’t believed that Hatley was being truthful.

From Slate • Apr. 6, 2026

Formally known as “Notice to Air Missions,” or Notams, such designations are intended to inform pilots and aviation authorities of temporary airspace hazards or restrictions.

From The Wall Street Journal • Apr. 5, 2026

FDEs are tasked with helping customers deploy agentic AI and using their experiences to inform platform innovation, ServiceNow shared with MarketWatch.

From MarketWatch • Apr. 4, 2026

Parents of pupils have accused school management of failing to inform them about their suspicions.

From Barron's • Apr. 3, 2026

“Admiral Faucet, I regret to inform you that my husband is indisposed. He has sent a note for me to give you expressing his sincere regrets. Here it is.”

From "The Unseen Guest" by Maryrose Wood

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.