An angle between 90 and 180 degrees. Used in math. Other angles include:

right angle/right
acute angle/acute
straight angle/straight
reflex angle/reflex
That angle of 120 degrees is obtuse.
by Dice/Alex June 06, 2004

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Top Definition
stupid -- dim-witted
"he seemed quite obtuse"
by Mobius July 21, 2004

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that word that the guy out of shawshank redemption said
Andy: ur so obtuse

Warden: zomg i are not
by Dabetts January 17, 2011

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from Latin obtusus, blunt, dull, from past participle of obtundere
dumb fuck not worth smaking!
by Jackd September 19, 2004

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The state of being simultaneously high and in a reclined position
Person 1: "hey do you want to get obtuse?"
Person 2: "of course! When and where?"
Person 1: "20min on the boat"
by CHlMlCHANGA June 24, 2013

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When someone bends backwards and their body makes an angle greater than 90 degrees.

Seen in Exorcist movies and an episode of Family Guy making fun of a scene from Shawshank Redemption.
Ace: Have you seen the trailer for The Last Exorcism? That chick bends her body into a 120 degree angle.

Gary: That's obtuse!

Ace: Right you are, Gary.
by jbushido August 27, 2010

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adj: fat, used to describe any extremely overwieght person. This is due to that fact that an obtuse angle in math is a big fat angle over 90ยบ.
Friend: That is one fat chick...
You: Shit, that bitch is OBTUSE!
by Poscrip October 02, 2011

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