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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.

The result is a market in which preferences are private, incentives are misaligned and reliable information is hard to come by.

From The Wall Street Journal

Working-class men with marketable skills and reliable work habits can do well in today’s economy.

From The Wall Street Journal

She said Scottish ministers should instead collect "reliable data" on the issue and clarify her position.

From BBC

"This demonstrates both the system's exceptional sensitivity and its ability to provide reliable tumor-versus-healthy contrast. Moreover, by adjusting or substituting the targeting molecule, this method could be adapted for other cancer types."

From Science Daily

Lothian Buses' 38 crosses eight of Edinburgh's major roads and is one of the services worst affected by congestion in a city known for its reliable bus service.

From BBC