Synonyms of informed

informed 1 of 2

adjective

in-ˈfȯrmd 

1

as in reasoned

based on sound reasoning or information

the expert's informed opinion persuaded many fence-sitters to get a flu shot

Synonyms & Similar Words

• reasoned
• logical
• reasonable
• valid
• sensible
• good
• rational
• justified
• solid
• hard
• true
• sober
• well-founded
• firm
• commonsense
• validated
• just
• plausible
• levelheaded
• credible
• actual
• real
• commonsensical
• confirmed
• commonsensible
• convincing
• sure
• certain
• certified
• substantiated
• verified
• cogent
• corroborated
• colorable

Antonyms & Near Antonyms

• uninformed
• unreasonable
• irrational
• unfounded
• unjustified
• invalid
• illogical
• unsound
• groundless
• nonsensical
• nonrational
• unwarranted
• unsubstantiated
• unsupported
• weak
• unreasoned
• nonvalid
• implausible
• unconvincing
• false
• flimsy
• misguided
• fallacious
• misled

2

as in acquainted

having information especially as a result of study or experience

people who are informed about nutrition have some serious misgivings about this new diet

Synonyms & Similar Words

• acquainted
• aware
• familiar
• up
• well-informed
• knowledgeable
• conversant
• up-to-date
• versed
• in the know
• abreast
• cognizant
• alive
• conscious
• mindful
• heedful
• sentient
• sensible
• at home
• au courant

Antonyms & Near Antonyms

• ignorant
• uninformed
• unfamiliar
• unaware
• unconscious
• blind
• unmindful
• oblivious
• unacquainted
• unknowledgeable
• insensible
• unwitting
• unknowing
• inattentive
• unheeding

informed

2 of 2

verb

past tense of inform

1

as in talked

to give information (as to the authorities) about another's improper or unlawful activities

the police only caught the mastermind of the burglary because his disgruntled partner informed

Synonyms & Similar Words

• talked
• finked
• told (on)
• squeaked
• snitched
• betrayed
• grassed (on)
• sang
• squealed
• ratted (on)
• split (on)
• dropped a dime (on)
• sold (out)
• turned in
• gave away
• blabbed
• tattled
• tipped (off)
• crossed
• double-crossed
• backstabbed
• two-timed

2

as in advised

to give information to

chose teaching as a career because it affords the opportunity to inform a whole generation of young minds

Synonyms & Similar Words

• advised
• told
• instructed
• briefed
• apprised
• educated
• enlightened
• acquainted
• taught
• notified
• alerted
• versed
• familiarized
• cleared
• filled in
• caught up
• convinced
• clued (in)
• assured
• let someone know
• reassured
• hipped
• kept (someone) posted
• advertised
• wised (up)
• lectured
• announced (to)
• disclosed (to)
• certified
• schooled
• warranted
• disillusioned
• tutored
• disenchanted
• disabused
• undeceived

Antonyms & Near Antonyms

• misled
• misinformed

Example Sentences

Recent Examples of informed

Adjective

The companies that will be best positioned for the future are those that combine better technology with stronger supplier relationships and more informed decision-making. — Arthur Zaczkiewicz, Footwear News, 20 Aug. 2026

Pennsylvania and Florida legislators argue, for example, that an informed citizenry needs to be able to read historical documents, which are often written in cursive script. — Mary Jean Tecce Decarlo, The Conversation, 20 Aug. 2026

Verb

The community's frustration comes after Amtrak informed them of the plans to build a four-story maintenance facility within feet of dozens of homes. — Jermont Terry, CBS News, 28 Aug. 2026

That’s in addition to the earlier dismantling of USAID (which trained social mobilizers for surveillance and active case finding) and the withdrawal from the WHO (whose technical expertise informed laboratory strengthening and data systems). — Eli Cahan, Rolling Stone, 21 Aug. 2026