Definitions from Wiktionary ( )

▸ adjective:  (now chiefly botany, zoology) Blunt; not sharp, pointed, or acute in form.
▸ adjective:  (botany, zoology) Blunt, or rounded at the extremity.
▸ adjective:  (geometry, specifically, of an angle) Larger than one, and smaller than two right angles, or more than 90° and less than 180°.
▸ adjective:  (geometry, by ellipsis) Obtuse-angled, having an obtuse angle.
▸ adjective:  Intellectually dull or dim-witted.
▸ adjective:  Of sound, etc.: deadened, muffled, muted.
▸ adjective:  Indirect or circuitous.
▸ verb:  (transitive, obsolete) To dull or reduce an emotion or a physical state.

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