obtuse

US /ɑːbˈtuːs/
UK /ɑːbˈtuːs/
"obtuse" picture
1.

鈍感な, 愚鈍な, 理解が遅い

annoyingly insensitive or slow to understand

:
•
He was too obtuse to grasp the subtle humor of the situation.
彼は状況の微妙なユーモアを理解するにはあまりにも鈍感だった。
•
Don't be so obtuse; the answer is obvious!
そんなに鈍感にならないで。答えは明らかだよ！
:
dullstupidslow-witteddenseunintelligent
:
sharpacuteperceptiveintelligentclever
2.

鈍角の

(of an angle) greater than 90° and less than 180°

:
•
An obtuse angle is wider than a right angle.
鈍角は直角よりも広い。
•
The triangle had one obtuse angle and two acute angles.
その三角形には1つの鈍角と2つの鋭角があった。
:
acuteright