obtuse-angled
|ob-tuse-an-gled|
B2
/əbˈtjuːs ˈæŋɡəld/
angle over 90 degrees
Etymology
Etymology Information
'obtuse-angled' originates from Latin, specifically the word 'obtusus,' where 'ob-' meant 'against' and 'tundere' meant 'to beat.'
Historical Evolution
'obtusus' transformed into the French word 'obtus,' and eventually became the modern English word 'obtuse' through Middle English.
Meaning Changes
Initially, it meant 'blunt or dull,' but over time it evolved into its current meaning of 'having an angle greater than 90 degrees.'
Meanings by Part of Speech
Adjective 1
having an angle greater than 90 degrees but less than 180 degrees.
The triangle is obtuse-angled because one of its angles is 120 degrees.
Synonyms
Antonyms
Last updated: 2025/05/09 04:57