Reliability

noun

noun ·6 syllables ·Moderate ·College level

Definitions

Noun
  1. 1
    The quality of being reliable, dependable, or trustworthy. uncountable, usually

    "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."

  2. 2
    the quality of being dependable or reliable wordnet
  3. 3
    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). uncountable, usually
  4. 4
    measurable time of work before failure uncountable, usually

Example

More examples

"Cosby's argument concerns the reliability of the Hette Manuscript."

Etymology

From reliable + -ity.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.