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.

The quest to make them more reliable is an industry-wide challenge.

From BBC • Jun. 24, 2026

“The future of Canada’s north depends on modern, reliable infrastructure that connects communities, strengthens our economy, and builds resilient supply chains,” said Steven MacKinnon, the country’s Transport Minister.

From The Wall Street Journal • Jun. 24, 2026

The chip is part of an effort between the two companies “to make advanced AI faster, more reliable, and more accessible to more people,” OpenAI added.

From MarketWatch • Jun. 24, 2026

Activists put the number of disappearances much higher, at around 7,000 – but there is no reliable source of data and no way to verify either side's claims.

From BBC • Jun. 24, 2026

Odin’s son Vidar, the silent god, the reliable god, will watch his father die.

From "Norse Mythology" by Neil Gaiman

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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