reliable

[ri-lahy-uh-buhl] / rɪˈlaɪ ə bəl /

ADJECTIVE

trustworthy

Synonyms

STRONGEST

decent decisive dependable good honest positive predictable respectable safe sincere solid stable steady strong true

WEAK

candid careful certain come-through conscientious constant definite determined devoted faithful firm high-principled honorable impeccable incorrupt loyal okay proved reputable responsible righteous sound staunch steadfast sterling sure there tried tried-and-true true-blue true-hearted trusty unequivocal unfailing unimpeachable upright veracious

Antonyms

STRONGEST

bad broken corrupt dishonest evil false fraudulent inadequate indefinite intermittent soft uncertain undependable unfixed unreal unreliable unrespectable unstable unsteady unsuitable unsure untrustworthy vulnerable weak wobbly

WEAK

deceptive irresponsible

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.

The P/E is way too simplistic to be a reliable signal of value.

From Barron's • Apr. 10, 2026

Also good luck finding a reliable carrier pigeon named Harry.

From The Wall Street Journal • Apr. 10, 2026

Most rules of thumb peg a reliable savings rate to be more in the 10% to 15% range.

From MarketWatch • Apr. 10, 2026

But in real patients, the results have been far less impressive, with modest benefits, notable side effects, and no reliable way to predict who might respond.

From Science Daily • Apr. 9, 2026

Without facts there can be no reliable knowledge.

From "The Invention of Science" by David Wootton

Vocabulary lists containing reliable

TEKS ELAR Academic Vocabulary List (5th-7th grades)

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Positive Words to Describe a Person

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"My Favorite Chaperone," Vocabulary from the short story

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