useful life
noun
The (expected) period of time in which a device, vehicle, structure, etc., is productive or in use.
Origin
Mid 19th century.
- uninstaller
- uninstructed
- uninsulated
- uninsurable
- uninsured
- unintellectual
- unintelligence
- unintelligent
- unintelligently
- unintelligibility
- unintelligible
- unintelligibleness
- unintelligibly
- unintended
- unintentional
- unintentionally
- uninterested
- uninterestedly
- uninterestedness
- uninteresting
- uninterestingly
- uninterestingness
- uninterpretable
- uninterrupted
- uninterruptedly