reliability

Proposed by a contributor, not yet supported by evidence.

Also seen as: reliabilities

Sense 1

Meaning · English

The quality of being reliable, dependable, or trustworthy.

Noun

Examples

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.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

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).

Noun

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “reliability” mean?

The quality of being reliable, dependable, or trustworthy.

Is “reliability” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.