Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “obtuse”

See all translations

obtuse

adjective uk   /əbˈtjuːs/ us    /ɑːbˈtuːs/

obtuse adjective (ANGLE)

specialized mathematics (of an angle) more than 90° and less than 180°

obtuse adjective (STUPID)

formal stupid and slow to understand, or unwilling to try to understand: Surely the answer's obvious - or are you being deliberately obtuse?
obtusely
adverb uk   /-li/ formal us  
obtuseness
noun [U] uk   /-nəs/ formal us  
Translations of “obtuse”
in Spanish obtuso…
in French obtus…
in German stumpf…
in Chinese (Traditional) 角度, (角度)鈍角的…
in Chinese (Simplified) 角度, (角度)钝角的…
(Definition of obtuse from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of obtuse?
Add Cambridge dictionaries to your browser to your website

Definitions of “obtuse” in other dictionaries

Word of the Day

sail

When a boat or a ship sails, it travels on the water.

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More