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Wednesday, July 29, 2026

abstruse

/əbˈstruːs/ adjective · British & US
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What does abstruse mean?

Abstruse refers to ideas, language, or concepts that are difficult to understand due to their complexity or obscurity. This adjective is often used to describe academic, philosophical, or technical subjects that require specialized knowledge or expertise. Abstruse concepts or writing styles can be challenging to comprehend, and may require close attention or repeated reading to fully grasp. The word abstruse is useful for describing situations where clarity is lacking, and can help to convey the nuances of complex ideas or abstract thinking. In general, abstruse is a valuable term for anyone looking to describe or discuss intricate or esoteric subjects.

adjective

Difficult to understand; obscure or esoteric. Abstruse ideas or language are complex and not easily comprehensible.

Senses
  1. Difficult to understand due to complexity or obscurity
  2. Reserved for or characteristic of a select group
Example

"The professor's abstruse explanation of the mathematical concept left many students confused."

More examples

"The abstruse nature of the philosophical text made it a challenging read."

"The artist's use of abstruse symbolism added depth to the painting."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of abstruse

Abstruse originates from the Latin 'abstrusus', the perfect passive participle of 'abstrudere', which means 'to hide or conceal'. This Latin term is derived from 'ab-' (meaning 'away from') and 'strudere' (meaning 'to hide or press'). The word abstruse has been used in English since the 15th century to describe concepts or language that are difficult to understand or obscure.

Usage notes

Abstruse is typically used to describe ideas, language, or concepts that are difficult to grasp due to their complexity or obscurity. It often carries a slightly formal or academic connotation.

Synonyms for abstruse

Antonyms of abstruse

Rhymes with abstruse