Definition of obstruse in English:

obstruse

adjective

  • Abstruse.

Origin

Early 17th century; earliest use found in Thomas Wright (d. 1624). Probably an alteration of abstruse, after post-classical Latin obstrusus secret, unknown, obscure, use as adjective of past participle of classical Latin obstrūdere, variant of obtrūdere.

Pronunciation

obstruse

/əbˈstruːs/