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.

America’s dominance in the global artificial-intelligence race depends on an affordable and reliable electric grid.

From The Wall Street Journal • Jun. 28, 2026

Nuclear energy is carbon-free and much more reliable than other kinds of electricity-generation, running at nearly full capacity year-round.

From Barron's • Jun. 26, 2026

As a result, researchers have spent years searching for a reliable solid-state alternative.

From Science Daily • Jun. 26, 2026

Family and friends remember Krug as many things: a reliable laugh, a saint of a father, a hell of a second baseman, a competitive but altruistic coach.

From Los Angeles Times • Jun. 26, 2026

Badgers, everyone knew, had a remarkable sense of smell, which made them reliable lookouts.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

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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