An Angle Over 90 Degrees; Slow to Understand

This page is the CodyCross answer for the clue below from Medieval Times, Group 226, Puzzle 4 (Bonaventure).

Question is: An Angle Over 90 Degrees; Slow to Understand

and the answer is: OBTUSE

Word Meaning:

OBTUSE — (now chiefly botany, zoology) Blunt; not sharp, pointed, or acute in form.

Definitions from Wiktionary.