reliable

[ ri-lahy-uh-buhl ]

adjective

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

   reliable information.

   Synonyms: consistent, authentic, trusty

   Antonyms: undependable, deceitful, questionable

reliable

/ rɪˈlaɪəbəl /

adjective

1. able to be trusted; predictable or dependable

Derived Forms

• reˈliably, adverb
• reˌliaˈbility, noun

Other Words From

• re·lia·bili·ty re·lia·ble·ness noun
• re·lia·bly adverb
• nonre·lia·ble adjective
• nonre·lia·ble·ness noun
• nonre·lia·bly adverb
• quasi-re·lia·ble adjective
• quasi-re·lia·bly adverb
• ultra·re·lia·ble adjective
• ultra·re·lia·ble·ly adverb

Word History and Origins

Origin of reliable¹

First recorded in 1560–70; rely + -able

Synonym Study

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.

Example Sentences

For years, NBCUniversal’s cable channels — including USA, Bravo and E! — provided the company’s most reliable profits.

From Los Angeles Times

“And it's a reliable crowd pleaser that turns out delicious every single time.”

From Salon

This indicates that the model has derived a set of corresponding rules similar to those used by radiologists, enabling it to produce more reliable results during clinical implementation.

From Science Daily

"And by recognizing the cognitive limits of these models, health care providers can maximize AI utility while mitigating risks, ensuring that these tools remain a reliable support in critical health care settings."

From Science Daily

She added that China may also be "likely worried that that they lack reliable back channels to influence Trump's policy".

From BBC

Related Words

• decent
• decisive
• dependable
• good
• honest
• positive
• predictable
• respectable
• safe
• sincere
• solid
• stable
• steady
• strong
• true