RELIABLE definition: that may be relied on or trusted; dependable in achievement, accuracy, honesty, etc.. See examples of reliable used 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.

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

People or things that are reliable can be trusted to work well or to behave in the way that you want them to. She was efficient and reliable. Japanese cars are so reliable.

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 …

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.

Dec 10, 2025 · reliable (comparative more reliable, superlative most reliable) Suitable or fit to be relied on; worthy of dependence, reliance or trust; dependable, trustworthy quotations