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Word a Day

abstruse

adjective · /əbˈstɹus/ · Level 4 · Expert

What does abstruse mean?

abstruse (adjective): difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge.

Definition: Princeton WordNet 3.1.

How do you use abstruse in a sentence?

How do you pronounce abstruse?

/əbˈstɹus/ (IPA, American English). The app reads every word aloud.

Where does abstruse come from?

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”).

Etymology: Wiktionary, CC BY-SA 4.0.

Test yourself: do you know “abstruse”?

Tap an answer to check it. The same questions the app asks.

What does “abstruse” mean?

having a dry, harsh tone to the voice, as a result of a sore throat, age, emotion, etc

Not quite: that's what hoarse means.

blindly and obstinately attached to some creed or opinion and intolerant toward others

Not quite: that's what bigoted means.

difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge

Right! That's what “abstruse” means.

closest in degree or order (space or time) especially in a chain of causes and effects

Not quite: that's what proximate means.

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