
Related to reliability: Software reliability, Reliability testing


2. Yielding the same or compatible results in different clinical experiments or statistical trials.

re·li′a·bil′i·ty, re·li′a·ble·ness n.
re·li′a·bly adv.
Synonyms: reliable, dependable, responsible, trustworthy, trusty
These adjectives mean worthy of reliance or trust: a reliable source of information; a dependable worker; a responsible babysitter; a trustworthy report; a trusty assistant.






  1. (I found the almond trees as) dependable as the swallows of Capistrano, announcing another spring —Wallace Stegner
  2. As reliable as the day following the night —Dorothea Straus
  3. [A collection of art works] as spotty as a Dalmation and not half as beautiful —Manuela Hoelterhoff, on the new Wallace wing at the Metropolitan Museum of Art, Wall Street Journal, March 17, 1987
  4. Consistent and productive as machines —Gay Gaer Luce
  5. Dealing with Owen Roe was like walking across a bog. You never knew when the ground might give way under your feet —Julia O’Faolain
  6. Dependable as a floating crap game —Harry Prince
  7. Dependable as clockwork … —Anon
  8. Dependable as daylight —Beryl Markham
  9. A duty dodged is like a debt unpaid; it is only deferred, and we must come back and settle the account at last —Joseph Fort
  10. Duty without responsibility is like pomp without power —Edward, Duke of Windsor
  11. Fickle as a changeful dream —Sir Walter Scott
  12. It [buying a house] was like joining a church because it committed me to spending every weekend I could get … to working on the place —George V. Higgins
  13. (You’ve got) no more responsibility than a one-eyed jack rabbit —Elmer Kelton
  14. Reliability’s like a string we can only see the middle of —William McFee
  15. (About as) reliable as a Pravda editorial —Joseph Wambaugh
  16. Reliable as a salary —Frank R. Stockton
  17. Reliable as crystal balls, goat innards, and prayer —Harold Adams
  18. Reliable as he was eccentric —Mark Twain
  19. Reliable as reading tea leaves or the bumps on one’s head —Peter J. Bonacich, letter to editor of Discover, April, 1986
  20. Responsibility rested upon him as lightly as the freckles on his nose —Alice Caldwell Hegan
  21. Solid as tombstones —Helen Hudson
  22. Wore, like a garment, an air of wholesome reliability —Mazo De La Roche
  23. Would always be there … like some familiar landmark —Barbara Pym, The Sweet Dove Died
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.reliability - the quality of being dependable or reliable
solidity, solidness - the quality of being solid and reliable financially or factually or morally; "the solidity of the evidence worked in his favor"; "the solidness of her faith gave her enduring hope"
infallibility - the quality of never making an error
duplicability, reproducibility - the quality of being reproducible
undependability, undependableness, unreliability, unreliableness - the trait of not being dependable or reliable
إعْتِمادِيَّه، وُثوقِيَّه


[rɪˌlaɪəˈbɪlɪtɪ] N
1. (= dependability) [of person, firm] → seriedad f, formalidad f; [of car, method] → fiabilidad f
they have a reputation for good service and reliabilitytienen fama de dar un buen servicio y ser formales
2. (= trustworthiness) [of facts] → verosimilitud f; [of information, figures, account] → fiabilidad f
we have doubts about the reliability of the resultsdudamos de la fiabilidad de los resultados


[rɪˌlaɪəˈbɪlɪti] n
[employee, company] → sérieux m
[car, machine] → fiabilité f


nZuverlässigkeit f; (of person also)Verlässlichkeit f; (of firm, company)Seriosität f, → Vertrauenswürdigkeit f


[rɪˌlaɪəˈbɪlɪtɪ] n (see adj) → attendibilità, affidabilità, capacità, sicurezza; (of person) → serietà


(rəˈlai) : rely on verb
1. to depend on or need. The people on the island relied on the supplies that were brought from the mainland; I am relying on you to help me.
2. to trust (someone) to do something; to be certain that (something will happen). Can he rely on him to keep a secret?; He can be relied on; That is what will probably happen, but we can't rely on it.
reˈliable (-ˈlai-) adjective
(negative unreliable) able to be trusted. Is he reliable?; Is this information reliable?
reˌliaˈbility noun
reˈliably (-ˈlai-) adverb
from a reliable source; by a reliable person. I am reliably informed that the Prime Minister is going to resign.
reˈliance (-ˈlai-) noun
a country's reliance on aid from other countries; a child's reliance on its mother.
reˈliant adjective


n. confiabilidad; calidad de confianza.


n (device) fiabilidad f
References in classic literature ?
I cannot think that there is sufficient certainty of their reliability in this negative observation to make us accept a difficult and revolutionary view of thought, merely because they have failed to observe the presence of words or their equivalent in their thinking.
There's a bright and ready twinkle in his eye, there's a neatness in his action, there's a smartness in his figure, there's an air of reliability about him in case you wanted a basin, which points out the steward
First, mills that responded to the survey indicated they experienced an increase in incremental capacity achieved through improved reliability," he said.
There were, however, many technical challenges that had to be overcome to reach 15,000RPM while at the same time ensuring that data integrity and drive reliability would not suffer.
Synopsis: A high percentage of defense systems fail to meet their reliability requirements.
Key words: redundancy, reliability, technical system, reserving
The Army is taking a multi-pronged approach to improve reliability by establishing new reliability test thresholds, evaluating programs early using a new reliability scorecard, developing reliability growth tools, and increasing emphasis on early engineering analyses to positively affect designs during the development process.
Manufacturers that understand the principles involved in reliability demonstrate higher capacity usage from greater uptime, higher run rates and better product yield, which lowers the total cost of operations because of greater output for less cost.
On the surface, their employees appeared to be further along in developing reliability than other companies.
Availability can further be broken down into two factors: system or component reliability and amount of time a system or component is available for use.

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