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Synonyms

reliable

American  
[ri-lahy-uh-buhl] / rɪˈlaɪ ə bəl /

adjective

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

    reliable information.

    Synonyms:
    consistent, authentic, trusty
    Antonyms:
    deceitful, questionable, undependable

reliable British  
/ rɪˈlaɪəbəl /

adjective

  1. able to be trusted; predictable or dependable

"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

Related Words

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 Word Forms

  • nonreliable adjective
  • nonreliableness noun
  • nonreliably adverb
  • quasi-reliable adjective
  • quasi-reliably adverb
  • reliability noun
  • reliableness noun
  • reliably adverb
  • ultrareliable adjective
  • ultrareliablely adverb

Etymology

Origin of reliable

First recorded in 1560–70; rely + -able

Compare meaning

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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.

On the contrary, sometimes it unfolds out of the public eye; self-abnegation can be a reliable marker of character.

From Los Angeles Times

Ambani, one of India’s richest and best-known executives, said the company will build gigawatt-scale data centers and aim to deliver reliable, high-quality, affordable AI services for both big businesses and ordinary consumers.

From The Wall Street Journal

In the journal Nature, Microsoft's research arm said Silica was the first glass storage technology that had been demonstrated to be reliable for writing, reading and decoding data.

From Barron's

Still, tech companies that have been viewed as reliable free cash flow generators are also now seeing a change to their balance sheets because of these investments.

From Barron's

India lacks some of critical components for economic flourishing, such as robust infrastructure, workable transportation, and reliable energy.

From Barron's