Definitions

trustworthy

[truhst-wur-thee] / ˈtrʌstˌwɜr ði /

ADJECTIVE

reliable

Synonyms

STRONGEST

accurate authentic authoritative believable come-through convincing credible dependable ethical honest honorable mature principled realistic responsible sensible truthful upright

STRONG

trusty

WEAK

all right always there down-home exact fly-right kosher level-headed open plausible righteous rock saint secure square steadfast straight there tried true true blue trustable unfailing up front valid veracious

Antonyms

STRONGEST

dishonest doubtful false immature implausible improbable inaccurate inconceivable incredible irresponsible lying misleading unconvincing unlikely unrealistic unreliable untrustworthy untruthful

WEAK

undependable

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.

Three siblings were given equal shares, but mom established a trust for one sibling who was not trustworthy.

From MarketWatch • Apr. 16, 2026

“Structured data is the foundation of trustworthy AI.”

From The Wall Street Journal • Mar. 17, 2026

Pavlick leads ARIA, a National Science Foundation AI research institute at Brown focused on building trustworthy AI assistants.

From Science Daily • Mar. 2, 2026

At an AI summit hosted by New Delhi in February, 91 countries and international organisations called for "secure, trustworthy and robust" AI.

From Barron's • Feb. 28, 2026

Only one smuggler in ten, says a nun at the Parroquia de San Jose, is trustworthy.

From "Enrique's Journey" by Sonia Nazario

Vocabulary lists containing trustworthy

Positive Words to Describe a Person

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Common Core Grades 7–8, List 7

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"Ode to the Table" by Pablo Neruda

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