reliability

R1E1L1I1A1B3I1L1I1T1Y4

noun

The quality of being reliable, dependable, or trustworthy.

CommonScrabble 16

Meanings

nounreliability (usually uncountable, plural reliabilities)

plural reliabilities

  1. uncountableusuallyThe quality of being reliable, dependable, or trustworthy.

    Above all, rail needs to be boring. By that, I mean that it must run its timetable reliably, day-in and day-out. Punctuality and reliability remain the bedrock of a successful railway.

    2023 April 5, Philip Haigh, “Comment: Pay deal a positive result”, in RAIL, number 980, page 3

    Synonyms: dependability · Antonyms: unreliability

  2. uncountableusuallyeducationthe ability to measure the same thing consistently (of a measurement indicating the degree to which the measure is consistent); that is, repeated measurements would give the same result (See also validity).
  3. uncountableusuallyengineeringmeasurable time of work before failure

Synonyms & antonyms

nounThe quality of being reliable, dependable, or trustworthy.

More synonyms by meaning

nounthe quality of being dependable or reliable

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Englishrely
  2. Englishreliable
  3. Englishreliability

From reliable + -ity.

Full word history & related roots →

Translations

Bulgarian наде́ждност
  • наде́ждност (nadéždnost)quality of being reliable
Catalan fiabilitat
  • fiabilitatquality of being reliable
Czech spolehlivost
  • spolehlivostquality of being reliable
Dutch betrouwbaarheid, betrouwbaarheid
  • betrouwbaarheidquality of being reliable
  • betrouwbaarheidquality of a measurement
Esperanto fidindeco
  • fidindecoquality of being reliable
Finnish luotettavuus
  • luotettavuusquality of being reliable
French fiabilité, fiabilité
  • fiabilitéquality of being reliable
  • fiabilitéquality of a measurement
German Zuverlässigkeit, Belastbarkeit
  • Zuverlässigkeitquality of being reliable
  • Belastbarkeitquality of a measurement
Greek αξιοπιστία
  • αξιοπιστία (axiopistía)quality of being reliable
Indonesian reliabilitas, keterandalan
  • reliabilitasquality of being reliable
  • keterandalanquality of being reliable
  • keandalanquality of being reliable
  • reliabilitasquality of a measurement
Irish dílseacht
  • dílseachtquality of being reliable
Italian affidabilità, attendibilità
  • affidabilitàquality of being reliable
  • attendibilitàquality of being reliable
Latin firmitas, firmitudo
  • firmitasquality of being reliable
  • firmitudoquality of being reliable
  • firmitasquality of a measurement
  • firmitudoquality of a measurement
Malay kebolehpercayaan, keandalan
  • kebolehpercayaanquality of being reliable
  • keandalanquality of being reliable
  • kebolehpercayaanquality of a measurement
Norwegian Bokmål tilforlatelighet, pålitelighet
  • tilforlatelighetquality of being reliable
  • pålitelighetquality of being reliable
  • reliabilitetquality of being reliable
Polish niezawodność
  • niezawodnośćquality of being reliable
Portuguese confiabilidade, fiabilidade
  • confiabilidadequality of being reliable
  • fiabilidadequality of a measurement
  • confiabilidadequality of a measurement
Romanian fiabilitate
  • fiabilitatequality of being reliable
Russian надёжность, то́чность
  • надёжность (nadjóžnostʹ)quality of being reliable
  • то́чность (tóčnostʹ)quality of a measurement
Spanish fiabilidad, fiabilidad
  • fiabilidadquality of being reliable
  • fiabilidadquality of a measurement
Swedish trovärdighet
  • trovärdighetquality of being reliable
Tagalog pagkamapanghahawakan
  • pagkamapanghahawakanquality of being reliable
Turkish güvenilirlik
  • güvenilirlikquality of being reliable
Ukrainian наді́йність, то́чність
  • наді́йність (nadíjnistʹ)quality of being reliable
  • то́чність (tóčnistʹ)quality of a measurement
  • докла́дність (dokládnistʹ)quality of a measurement
Cite this entry
APA

reliability. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/reliability

MLA

“reliability.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/reliability. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “reliability,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/reliability.

Source: reliability on Wiktionary, CC BY-SA 4.0.