underapply

English

Etymology

under- +‎ apply

Verb

underapply (third-person singular simple present underapplies, present participle underapplying, simple past and past participle underapplied)

1. (transitive) To apply to an insufficient degree.
   • 2003, Paul S Auerbach, Medicine for the Outdoors:

     Some authorities recommend using sunscreens of at least SPF 29, with the rationale that most people underapply […]