Synonyms of obtuse
10 similar words · 11 opposite words
Another word for obtuse is blunt. Other synonyms of obtuse are dull and obtuse-angled. The opposite of obtuse is acute-angled.
Synonyms and similar words for obtuse
adjectiveIntellectually dull or dim-witted.
- denseSlow to comprehend; of low intelligence. (of a person).
- dimNot smart or intelligent.
- dim-wittedBeing a dimwit; stupid; foolish; simple.
- thick informalStupid.
- thickheadedStupid, obtuse or dumb.
adjectiveOf sound, etc.: deadened, muffled, muted.
adjectiveOf a triangle.
- obtuse-angledOf a triangle, having an obtuse angle.
Opposite of obtuse
adjectiveAntonym(s) of “intellectually dull”.
- brightHaving a clear, quick intellect; intelligent.
- intelligent
- on the ball
- quick off the markFast to act or react.
- quick-witted
- sharpTerminating in a point or edge, especially one that can cut or pierce easily; not dull, obtuse, or rounded.
- smart
adjectiveAntonym(s) of “deadened, muffled, muted”.
adjectiveAntonym(s) of “of an angle”.
- acuteIntense; sensitive; sharp.
adjectiveAntonym(s) of “of a triangle”.
- acute-angledOf a triangle: having three acute angles.
adjectiveAntonym(s) of “now chiefly botany, zoology”.
Meaning of obtuse
- adjective Blunt; not sharp, pointed, or acute in form.
- adjective Blunt, or rounded at the extremity.
- adjective Larger than one, and smaller than two right angles, equivalently more than 90° and less than 180°.
obtuse in other languages
Questions about synonyms of obtuse
- What is another word for obtuse?
- Obtuse has 10 synonyms on Word.ws, such as blunt, dull and obtuse-angled.
- What is the opposite of obtuse?
- The opposite of obtuse is acute-angled. Other antonyms of obtuse are sharp and acute.
- What does obtuse mean?
- Obtuse means blunt; not sharp, pointed, or acute in form.
Source and license
Adapted from Wiktionary: obtuse (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of obtuse.” Word.ws, https://word.ws/synonyms/obtuse. Based on Wiktionary, CC BY-SA 4.0.