AskDefine | Define reliability

Dictionary Definition

reliability n : the trait of being dependable or reliable [syn: dependability, dependableness, reliableness] [ant: undependability, undependability, undependability, undependability]

User Contributed Dictionary



  1. The quality of being reliable, dependable or trustworthy.
  2. A quality of a measurement indicating the degree to which the measure is consistent, that is, repeated measurements would give the same result. [See validity.
  3. reliance on a friend in a time of need.


quality of being reliable
quality of a measurement
reliance on a friend

Extensive Definition

In general, reliability (systemic def.) is the ability of a person or system to perform and maintain its functions in routine circumstances, as well as hostile or unexpected circumstances.
The IEEE defines it as ". . . the ability of a system or component to perform its required functions under stated conditions for a specified period of time."
Reliability may refer to:
reliability in German: Zuverlässigkeit
reliability in French: Fiabilité
reliability in Dutch: Betrouwbaarheid
reliability in Polish: Niezawodność
reliability in Portuguese: Confiabilidade
reliability in Russian: Надёжность
reliability in Serbian: Поузданост
reliability in Sundanese: Reliability

Synonyms, Antonyms and Related Words

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