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.

Their work could help future studies of planets orbiting active stars produce more reliable results.

From Science Daily • Apr. 6, 2026

If we want autonomous mobility to deliver on its promise—affordable, reliable, emissions-free transportation—we need coordinated planning among technology companies, utilities, regulators and cities.

From The Wall Street Journal • Apr. 3, 2026

But how quick a fix can nuclear be - and how safe and reliable is it really?

From BBC • Apr. 3, 2026

A hard-boiled egg is something else entirely: firm, portable, reliable, tucked into lunchboxes or sliced over a salad.

From Salon • Apr. 3, 2026

The question I ask is not ‘Were Regiomontanus and Hobbes right about mathematics?’ but ‘How did their understanding of mathematics help lay the groundwork for reliable scientific knowledge?’

From "The Invention of Science" by David Wootton

reliable

Example Sentences

Related Words