Nov 4, 2011 · dull, blunt, obtuse mean not sharp, keen, or acute. dull suggests a lack or loss of keenness, zest, or pungency.

Someone who is obtuse has difficulty understanding things, or makes no effort to understand them.

He has been obtuse, difficult, totally irrational and unreasonable to the detriment of the whole of his country.

1. not quick or alert in perception, feeling, or intellect; insensitive; dull. 2. not sharp, acute, or pointed; blunt. 3. (of a leaf, petal, etc.) rounded at the extremity. 4. indistinctly felt or perceived, …

Definition of obtuse adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Oct 8, 2025 · obtuse (comparative obtuser or more obtuse, superlative obtusest or most obtuse) (now chiefly botany, zoology) Blunt; not sharp, pointed, or acute in form. quotations

OBTUSE meaning: 1 : stupid or unintelligent not able to think clearly or to understand what is obvious or simple; 2 : not ending in a sharp point measuring between 90 degrees and 180 …

There are four meanings listed in OED's entry for the adjective obtuse, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

In geometry, an obtuse angle is one that is greater than 90 degrees but less than 180 degrees. These angles are crucial in various mathematical calculations and theorems.

The words blunt and dull are common synonyms of obtuse. While all three words mean "not sharp, keen, or acute," obtuse implies such bluntness as makes one insensitive in perception …