abstruse

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abstruse

  • /əbˈstɹuːs/ UK
  • /əbˈstɹus/ Canada, US
  • /æb-/ Canada, US
  • /əbˈstɹʉs/ Northern Ireland, Scotland

Rhymes with -uːs

Where it comes from

PIE word

*h₂epó

Learned borrowing from Latin abstrūsus (“concealed, hidden; having been concealed”), an adjective use of the perfect passive participle of abstrūdō (“to conceal, hide; to push or thrust away”), from abs- (from ab- (prefix meaning ‘away; from; away from’)) + trūdō (“to push, shove; to thrust”) (ultimately from Proto-Indo-European *trewd- (“to push; to thrust”)).

Cognates

* Catalan abstrús

* German abstrus (“abstruse”)

* Italian astruso (“abstruse”)

* Middle French abstruse (modern French abstrus, abstruse (“(derogatory, literary) abstruse”)

* Portuguese abstruso (“abstruse”)

* Spanish abstruso (“abstruse”)

adjective abstruser · more abstruse · abstrusest · most abstruse

  1. formal Difficult to comprehend or understand; obscure. Some time the good makithe an ile end⸝ ãd the ile a godd. In this opiniõ⸝ and in ſcrutable miſterie be werithe all his wittes⸝ and at the end of his cogitacions⸝ fyndithe more abſtruſe⸝ and doutfull obiections thẽ at the beginning⸝ […]

    Similar: abstrusive, arcane, cryptic, esoteric, recondite, abstruse, Chinese, dense, enigmatic, fathomless, bottomless, Greek · Opposite: clear, obvious, understandable, apprehensible, limpid, comprehensible, explainable, explicable, explicatable, fathomable, graspable, illuminable

  2. formal, obsolete Concealed or hidden; secret. O vvho is he that could carrie nevves to our olde father, that thou vvert but aliue, although thou vvert hidden in the moſt abſtruſe dungeons of Barbarie; for his riches, my brothers and mine vvould fetch thee from thence.

    Similar: abstrused, clandestine, surreptitious, abstruse, behind the scenes, catlike, backroom, backstairs, stealth, cloak-and-dagger, concealed, confidential · Opposite: open, patent, unconcealed, unhidden

Translations

Every language

adj difficult to comprehend or understand — see also obscure

Españolabstruso, conceptuoso
한국어심오(深奧)한 simohan
日本語晦渋 kaijū, 難解 nankai
中文秘 bì, mì, 晦澀 /晦涩 huìsè, 艱澀 /艰涩 jiānsè, 艱深 /艰深 jiānshēn, 難解 /难解 nánjiě, 深奧 /深奥 shēn'ào
हिन्दीबारीक bārīk
Portuguêsabstruso
Françaisabstrus, abscons
Deutschabstrus, unfassbar
Italianoastruso, ermetico
Ελληνικάασαφής asafís, δυσνόητος dysnóitos
Românăconfuz
Русскиймудрёный mudrjónyj
Tiếng Việthuyền diệu

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MLA

"abstruse." Wiktionary, via Micwyn, micwyn.com/word/abstruse. Accessed 6 Nov. 2026.

APA

abstruse. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/abstruse

Chicago

"abstruse." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/abstruse.

BibTeX
@misc{abstruse_2026,
  title = {abstruse},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/abstruse},
  urldate = {2026-11-06}
}