Meaning & Definition of word "Reliability"

Reliability

/rɪˌlaɪəˈbɪlɪti/

noun:

  • 1. The quality of being trustworthy or of performing consistently well.
    • Example: The reliability of the new software has greatly impressed the team.
  • 2. The extent to which a system or product consistently produces the same results under unchanged conditions.
    • Example: The reliability of the car's engine was tested thoroughly before its release.
  • 3. A measure of the degree to which an assessment tool produces stable and consistent results.
    • Example: The reliability of the survey results was confirmed by retesting the same group of participants.
  • 4. The degree to which a device, service, or system is able to operate without failure.
    • Example: Customers value the reliability of delivery services when placing online orders.

Etymology

From Latin 'reliabilis' meaning 'able to be relied upon'; from 'rely' + '-ability'.

Common Phrases and Expressions

reliability engineering:

The discipline of ensuring that a system functions reliably throughout its lifecycle.

reliability testing:

The process of testing a product or system to ensure it performs consistently under specified conditions.

on reliability:

Refers to the aspect of being relied upon for consistent outcomes.

Related Words

reliable:

Able to be relied upon.

rely:

To depend on with full trust.

dependability:

The quality of being trustworthy and reliable.

Slang Meanings of reliability

Meaning: Solid

Example Sentence: That guy is solid when it comes to keeping secrets.

Meaning: Go-to

Example Sentence: For reliable advice, he's my go-to guy.