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Usefulness vs Reliability - What's the difference?

usefulness | reliability |

As nouns the difference between usefulness and reliability

is that usefulness is the quality of being useful, to which extent something is useful while reliability is the quality of being reliable, dependable, or trustworthy.

usefulness

English

Noun

(-)
  • the quality of being useful, to which extent something is useful
    • The usefulness of his latest reorganisation has been disputed.

    See also

    * beauty

    reliability

    English

    (wikipedia reliability)

    Noun

    (en-noun)
  • The quality of being reliable, dependable or trustworthy.
  • The quality of a measurement indicating the degree to which the measure is consistent, that is, repeated measurements would give the same result (See validity).
  • In engineering measurable time of work before failure