Try Our Apps


Avoid these words. Seriously.

obtuse angle

an angle greater than 90° but less than 180°.
Origin of obtuse angle
First recorded in 1560-70
Related forms
obtuse-angled, obtuse-angular
[uh b-toos-ang-gyuh-ler, -tyoos] /əbˈtusˈæŋ gyə lər, -ˈtyus/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for obtuse angle
Historical Examples
obtuse angle in Science
obtuse angle
An angle whose measure is between 90° and 180°. Compare acute angle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
obtuse angle in Culture

obtuse angle definition

An angle that measures more than 90 degrees but less than 180 degrees. (Compare acute angle and right angle.)

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Nearby words for obtuse angle

Word Value for obtuse

Scrabble Words With Friends