[ ri-lahy-uh-buhl ]
/ rɪˈlaɪ ə bəl /


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


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.

OTHER WORDS FROM reliable Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for reliable

British Dictionary definitions for reliable

/ (rɪˈlaɪəbəl) /


able to be trusted; predictable or dependable

Derived forms of reliable

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