Definitions

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.

Its user-friendly design and reliable performance make it a top choice for mobile security.

From Salon • Jun. 10, 2026

Nestlé’s suite of reliable and steady products can help it ease investors’ AI jitters and serve as a hedge against volatile tech stocks.

From Barron's • Jun. 10, 2026

“It is possible to have accessible, secure, reliable and verified elections, and also an accelerated vote count.”

From Los Angeles Times • Jun. 9, 2026

Though the author discovered few reliable data points, she did find many opinions and a whole world of anecdotes.

From The Wall Street Journal • Jun. 9, 2026

Isadora kept texting him videos of people’s takes on the military’s involvement in science, which ranged from totally bonkers conspiracy theories to surprisingly informative facts from laypeople, complete with reliable sources.

From "Boy 2.0" by Tracey Baptiste

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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