reliable

[ ri-lahy-uh-buhl ]
/ rɪˈlaɪ ə bəl /

adjective

that may be relied on or trusted; dependable in achievement, accuracy, honesty, etc.: reliable information.

Origin of reliable

First recorded in 1560–70; rely + -able

SYNONYMS FOR reliable

trusty, authentic, consistent. 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, performance, or result: a reliable formula, judge, car, meteorologist. Infallible suggests the complete absence of error, breakdown, or poor performance: an infallible test, system, marksman. Trustworthy emphasizes the steady and honest dependability which encourages one's confidence, belief, or trust: trustworthy and accurate reports.

ANTONYMS FOR reliable

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for non-reliable

reliable

/ (rɪˈlaɪəbəl) /

adjective

able to be trusted; predictable or dependable

Derived Forms

reliability or rare reliableness, nounreliably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012