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Definitions

trustful

[truhst-fuhl] / ˈtrʌst fəl /
ADJECTIVE
childlike
Synonyms
STRONGEST
childish guileless
WEAK
artless credulous immature ingenuous kawaii natural simple spontaneous trusting unaffected unfeigned
Antonyms
WEAK
complicated untrusting
ADJECTIVE
credulous
Synonyms
WEAK
accepting believing born yesterday dupable easy mark falling for green overtrusting simple swallow whole taken in trusting uncritical unquestioning unsophisticated unsuspecting unsuspicious unwary
Antonyms
WEAK
skeptical suspecting suspicious untrusting
ADJECTIVE
gullible
Synonyms
STRONGEST
foolish unsophisticated unsuspecting wide-eyed
WEAK
being a sucker believing biting credulous easily taken in easy mark falling hook line and sinker green innocent kidding oneself mark silly simple sucker susceptible swallowing whole taken in taking the bait tumbling for unskeptical
Antonyms
WEAK
astute discerning knowledgeable perceptive suspicious unbelieving untrusting wise
ADJECTIVE
hopeful
Synonyms
STRONGEST
buoyant cheerful comfortable confident eager enthusiastic rosy sanguine trusting upbeat
STRONG
calm content faithful high
WEAK
anticipating anticipative assured at ease blithe elated emboldened expecting forward-looking hoping inspirited keeping the faith lighthearted looking forward to reassured rose-colored satisfied serene unflagging
Antonyms
STRONGEST
apathetic depressed down pessimistic sad unenthusiastic unhappy
WEAK
despairing desperate despondent discouraged fearful low wretched
ADJECTIVE
unsuspecting
Synonyms
STRONGEST
innocent
WEAK
confiding credulous easy inexperienced ingenuous naive off guard simple swallowing taken in trusting unconscious undoubting unsuspicious unwarned unwary
Antonyms
WEAK
conscious expecting knowing realizing suspecting

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.

“Cronkite thought it wouldn’t be in the public interest to be too trustful of any specific media source,” Socolow said.

From Los Angeles Times • Jan. 5, 2026

The Kremlin said on Thursday it was making immediate preparations for a Budapest summit after what it called the "extremely frank and trustful" Putin-Trump call.

From Barron's • Oct. 17, 2025

The Kremlin said work on the summit would begin "immediately" after the "extremely frank and trustful" call.

From BBC • Oct. 16, 2025

He did a film called "Happiness," and just the humor in it is so bleak and dark and trustful.

From Salon • May 14, 2023

He brushed by a gaunt, cadaverous, trustful man in a black raincoat with a star-shaped scar in his cheek and a glossy mutilated depression the size of an egg in one temple.

From "Catch-22" by Joseph Heller

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