Definition of unprotruded in US English:

unprotruded

adjective

  • Not protruding or sticking out; specifically (of a tooth) not erupted.

Origin

Late 18th century; earliest use found in John Ash (1724–1779), lexicographer and grammarian. From un- + protruded.

Pronunciation

unprotruded

/(ˌ)ʌnprəˈtruːdɪd/