noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:R IY0 L AY2 AH0 B IH1 L AH0 T IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The quality of being reliable, dependable, or trustworthy.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: dependability
Antonyms: unreliability
2
noun
Meaning 2
the 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).
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: education
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
measurable time of work before failure
Definition source: English Wiktionary via Wiktextract
Etymology tree English rely Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English reliable Proto-Indo-European *-teh2 Proto-Indo-European *-ts Proto-Indo-European *-teh2ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English reliability From reliable + -ity.
Across languages
Translations
50 source translations are retained for this English entry.
Azerbaijani:
etibarlılıq
— quality of being reliable
Azerbaijani:
inamlılıq
— quality of being reliable
Belarusian:
надзе́йнасць
(nadzjéjnascʹ)
— quality of being reliable
Bulgarian:
наде́ждност
(nadéždnost)
— quality of being reliable
Catalan:
fiabilitat
— quality of being reliable
Czech:
spolehlivost
— quality of being reliable
Dutch:
betrouwbaarheid
— quality of being reliable
Esperanto:
fidindeco
— quality of being reliable
Finnish:
luotettavuus
— quality of being reliable
French:
fiabilité
— quality of being reliable
Galician:
fiabilidade
— quality of being reliable
German:
Zuverlässigkeit
— quality of being reliable
Greek:
αξιοπιστία
(axiopistía)
— quality of being reliable
Indonesian:
reliabilitas
— quality of being reliable
Indonesian:
keterandalan
— quality of being reliable
Indonesian:
keandalan
— quality of being reliable
Irish:
dílseacht
— quality of being reliable
Italian:
affidabilità
— quality of being reliable
Italian:
attendibilità
— quality of being reliable
Latin:
firmitas
— quality of being reliable
Latin:
firmitudo
— quality of being reliable
Malay:
kebolehpercayaan
— quality of being reliable
Malay:
keandalan
— quality of being reliable
Norwegian Bokmål:
tilforlatelighet
— quality of being reliable
Norwegian Bokmål:
pålitelighet
— quality of being reliable
Norwegian Bokmål:
reliabilitet
— quality of being reliable
Polish:
niezawodność
— quality of being reliable
Portuguese:
confiabilidade
— quality of being reliable
Romanian:
fiabilitate
— quality of being reliable
Russian:
надёжность
(nadjóžnostʹ)
— quality of being reliable
Spanish:
fiabilidad
— quality of being reliable
Swedish:
trovärdighet
— quality of being reliable
Tagalog:
pagkamapanghahawakan
— quality of being reliable
Turkish:
güvenilirlik
— quality of being reliable
Ottoman Turkish:
امانت
(emânet)
— quality of being reliable
Ukrainian:
наді́йність
(nadíjnistʹ)
— quality of being reliable
Belarusian:
дакла́днасць
(dakládnascʹ)
— quality of a measurement
Dutch:
betrouwbaarheid
— quality of a measurement
French:
fiabilité
— quality of a measurement
German:
Belastbarkeit
— quality of a measurement
Indonesian:
reliabilitas
— quality of a measurement
Latin:
firmitas
— quality of a measurement
Latin:
firmitudo
— quality of a measurement
Malay:
kebolehpercayaan
— quality of a measurement
Portuguese:
fiabilidade
— quality of a measurement
Portuguese:
confiabilidade
— quality of a measurement
Russian:
то́чность
(tóčnostʹ)
— quality of a measurement
Spanish:
fiabilidad
— quality of a measurement
Ukrainian:
то́чність
(tóčnistʹ)
— quality of a measurement
Ukrainian:
докла́дність
(dokládnistʹ)
— quality of a measurement