transitive verbun·der·used, un·der·us·ing, un·der·us·es
To use to a lesser degree than is normal or desirable.
(usually uncountable, plural underuses)
- The act of using (something) less than expected.
(third-person singular simple present underuses, present participle underusing, simple past and past participle underused)
- to use (something) less than expected
under- +"Ž use