The meaning of RELIABLE is suitable or fit to be relied on : dependable. How to use reliable in a sentence.

RELIABLE definition: 1. Someone or something that is reliable can be trusted or believed because he, she, or it works or…. Learn more.

Reliable, infallible, trustworthy apply to persons, objects, ideas, or information that can be depended upon with confident certainty. Reliable suggests consistent dependability of judgment, character, …

Definition of reliable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

reliable in American English (rɪˈlaiəbəl) adjective that may be relied on; dependable in achievement, accuracy, honesty, etc

These adjectives mean worthy of reliance or trust: a reliable source of information; a dependable worker; a responsible babysitter; a trustworthy report; a trusty assistant.

re•li′a•bil′i•ty, re•li′a•ble•ness, n. re•li′a•bly, adv. trusty, authentic, consistent. Reliable, infallible, trustworthy apply to persons, objects, ideas, or information that can be depended upon with confident …

Nov 6, 2025 · reliable (comparative more reliable, superlative most reliable) Suitable or fit to be relied on; worthy of dependence, reliance or trust; dependable, trustworthy quotations

I am reliably informed that the concert has been cancelled. (Definition of reliable from the Cambridge Learner's Dictionary © Cambridge University Press)

Synonyms for RELIABLE: responsible, safe, true, good, steady, dependable, solid, trustworthy; Antonyms of RELIABLE: unreliable, uncertain, unsafe, untrustworthy, undependable, false, untrue, …