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abstruse

2 syllables
Quick answer

As an adjective, abstruse means difficult to comprehend or understand.

Meanings of abstruse

3 meanings

adjective

  1. Difficult to comprehend or understand; obscure.

  2. Difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge

    “the professor's lectures were so abstruse that students tended to avoid them”

    “a deep metaphysical theory”

    “some recondite problem in historiography”

    Similar: deep, recondite
Older and rare meanings (1)
  1. obsoleteConcealed or hidden; secret.

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

adjective: difficult to penetrate; incomprehensible to one of ordina…

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