reliable

adjective
re·​li·​able | \ ri-ˈlī-ə-bəl How to pronounce reliable (audio) \

Definition of reliable

 (Entry 1 of 2)

1 : suitable or fit to be relied on : dependable
2 : giving the same result on successive trials

reliable

noun

Definition of reliable (Entry 2 of 2)

: one that is reliable

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Other Words from reliable

Adjective

reliableness noun
reliably \ ri-​ˈlī-​ə-​blē How to pronounce reliably (audio) \ adverb

Synonyms & Antonyms for reliable

Synonyms: Adjective

calculable, dependable, good, responsible, safe, secure, solid, steady, sure, tried, tried-and-true, true, trustable, trustworthy, trusty

Antonyms: Adjective

dodgy [chiefly British], uncertain, undependable, unreliable, unsafe, untrustworthy

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Examples of reliable in a Sentence

Adjective

He's not very reliable. You can't always count on him to do what he says he'll do. We can't write a report without reliable data. We need more reliable information before we can take action.
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Recent Examples on the Web: Adjective

Over the long term, the Gulf states anticipate that the US will become a less reliable partner and gradually disengage from the Middle East. Tim Lister, CNN, "Cracks are appearing in the Mideast's most important alliance. That's bad news for Trump," 22 Aug. 2019 Win McNamee/Getty Images In many parts of the world, population data is much less reliable. Kelsey Piper, Vox, "We’ve worried about overpopulation for centuries. And we’ve always been wrong.," 20 Aug. 2019 The state of Maryland is making available nearly $10 million for efforts to bring reliable and affordable internet service to residents of rural communities. baltimoresun.com, "Maryland to invest nearly $10M in rural broadband expansion," 20 Aug. 2019 Stocks, bonds and other investments heaved up and down throughout the week, with worries hitting a crescendo on Wednesday when a fairly reliable warning signal of recession flipped on in the U.S. Treasury market. Washington Post, "Stock market gyrates as the economic picture gets blurred," 17 Aug. 2019 Worries about the economy increased Wednesday when a fairly reliable recession warning emerged from the bond market. Sarah Skidmore Sell, Los Angeles Times, "Worried about recession? Protect yourself but don’t panic," 16 Aug. 2019 Ray had been a fairly reliable member of the rotation over the past two-plus months, working at least six innings in 11 of his previous 13 starts entering Wednesday. Nick Piecoro, azcentral, "Diamondbacks' Robbie Ray exits start early with lower back spasms," 14 Aug. 2019 The defections are mostly occurring in suburban areas of the U.S., or areas that are considered less reliable as either a Republican or Democratic stronghold. John Sharp, al.com, "‘Absurdities’ or ‘political survival’: Why Alabama continues to experience party switches," 7 July 2019 The core is getting expensive and the reserves less reliable. Michael Shapiro, SI.com, "Five Big Questions Surrounding Kevin Durant's NBA Free Agency," 24 June 2019

Recent Examples on the Web: Noun

Atleti's biggest transformation comes at the heart of their defence, as old reliables Filipe Luis, Juanfran and captain Diego Godin were released when their contracts expired. SI.com, "Atlético Madrid: 6 Reasons for Los Rojiblancos Fans to Be Optimistic This Season," 19 Aug. 2019 The general public now, however, would see Mr. Trump’s generals as the reliables, the dependables, the sophisticates of the administration. Peggy Noonan, WSJ, "Let Calm and Cool Trump ‘Fire and Fury’," 10 Aug. 2017 North Korea's weekend launch of an intermediate-range ballistic missile further demonstrated that the country is consistently trying to come up with new, better ways to keep its nuclear deterrent reliable and safe from attack. Kyle Mizokami, Popular Mechanics, "What's Different About North Korea's Latest Missile Test," 13 Feb. 2017 Also submitted for our hilarity are such reliables as the pot-smoking old lady and the elaborate cake that will never reach the finale intact. Jeannette Catsoulis, New York Times, "Review: At ‘Table 19,’ Random Wedding Guests Straining to Laugh," 2 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reliable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of reliable

Adjective

1569, in the meaning defined at sense 1

Noun

1852, in the meaning defined above

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More Definitions for reliable

reliable

adjective

English Language Learners Definition of reliable

: able to be trusted to do or provide what is needed : able to be relied on
: able to be believed : likely to be true or correct

reliable

adjective
re·​li·​able | \ ri-ˈlī-ə-bəl How to pronounce reliable (audio) \

Kids Definition of reliable

: fit to be trusted or relied on: dependable reliable information

Other Words from reliable

reliably \ -​blē \ adverb

reliable

adjective
re·​li·​able | \ ri-ˈlī-ə-bəl How to pronounce reliable (audio) \

Medic