Abstruse
adjective /æbˈstruːs/ — Difficult to understand; requiring significant effort to penetrate
Definition
Difficult to understand, requiring concentrated effort or specialist knowledge to penetrate — not obscure because hidden (like recondite) but demanding because inherently complex or deeply subtle.
Beyond the definition
The respect paid to difficulty. Abstruse ideas are not impossible — they simply require more of you. There is a pleasure in abstruse reading that is unavailable from easy reading: the satisfaction of having done the work to understand something that resists quick comprehension.
Origin & history
From Latin 'abstrusus' (hidden, secret, concealed) — past participle of 'abstrudere' (to push away, to conceal) — 'abs-' (away) + 'trudere' (to thrust). What has been thrust away from easy access. Related to 'intrude' and 'protrude'.
Example sentences
Illustrative sentences for learning, not verified community posts or sourced quotations.
The philosophy was abstruse but not impenetrable — it rewarded the reader who was willing to read each paragraph twice.
She had a gift for making the abstruse accessible without making it simple — the rarest skill in teaching.
There is a kind of beauty in abstruse argument: the pleasure of a form of thought that has been pushed as far as it can go.
How to use it
This entry uses an adjective. Follow the examples for the nouns it describes and its position in the sentence.
Choose “Abstruse” when the meaning fits your context: Difficult to understand, requiring concentrated effort or specialist knowledge to penetrate — not obscure because hidden (like recondite) but demanding because inherently complex or deeply subtle.
Synonyms
Antonyms
simple, accessible, clear, lucid
Related words
Abstruse vs recondite
Abstruse describes abstract concepts that are inherently difficult for anyone to comprehend. Recondite describes subject matter that is little-known and hidden from general scholarly view.
Questions about this word
What does "Abstruse" mean?
Abstruse is adjective meaning: Difficult to understand; requiring significant effort to penetrate. Difficult to understand, requiring concentrated effort or specialist knowledge to penetrate — not obscure because hidden (like recondite) but demanding because inherently complex or deeply subtle.
Where does the word "Abstruse" come from?
From Latin 'abstrusus' (hidden, secret, concealed) — past participle of 'abstrudere' (to push away, to conceal) — 'abs-' (away) + 'trudere' (to thrust). What has been thrust away from easy access. Related to 'intrude' and 'protrude'.