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Synonyms

reliability

American  
[ri-lahy-uh-bil-i-tee] / rɪˌlaɪ əˈbɪl ɪ ti /
Sometimes reliableness

noun

reliabilities plural
  1. the ability to be relied on or depended on, as for accuracy, honesty, or achievement.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of reliability

reliable + -ity

Explanation

It's nice when someone compliments your reliability because it means they think you are dependable. Things that are known for reliability? Your best friend, sunrise, sunset and unfortunately also taxes. The word is a new one and didn't become common until after 1850 during the Industrial Revolution. Before things were mass produced, how reliable they were was not such an issue. Interesting fact: reliability is an American word, and the Brits scoffed at its new usage.

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Vocabulary lists containing reliability

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.

In the first quarter of 2026, official data put growth at 5.6 percent, but analysts have expressed doubts about the reliability of the figures.

From Barron's • Jun. 14, 2026

If you are considering a free VPN, be sure to examine the VPN’s performance, reliability and potential drawbacks.

From Salon • Jun. 10, 2026

China’s “railway brain” initiative utilizes AI and centralized digital twins to coordinate freight lanes, dramatically improving reliability and efficiency.

From MarketWatch • Jun. 9, 2026

APS said it is working on a way for large customers to develop their own power generation, but it can’t compromise reliability or affordability for others.

From The Wall Street Journal • Jun. 4, 2026

Who’s the pillar of reliability who has left his thirteen-year-old to fend for himself for weeks on end?

From "Drums, Girls, and Dangerous Pie" by Jordan Sonnenblick

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