abstruse

[ ab-stroos ]
/ æbˈstrus /

adjective

hard to understand; recondite; esoteric: abstruse theories.
Obsolete. secret; hidden.

Origin of abstruse

1590–1600; < Latin abstrūsus thrust away, concealed (past participle of abstrūdere), equivalent to abs- abs- + trūd- thrust + -tus past participle suffix

Related forms

ab·struse·ly, adverbab·struse·ness, noun

Can be confused

abstruse obtuse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for abstruse

British Dictionary definitions for abstruse

abstruse

/ (əbˈstruːs) /

adjective

not easy to understand; recondite; esoteric

Derived Forms

abstrusely, adverbabstruseness, noun

Word Origin for abstruse

C16: from Latin abstrūsus thrust away, concealed, from abs- ab- 1 + trūdere to thrust
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012