triangular — having three angles and three sides; shaped like a triangle
Part of speech: ADJECTIVE
Definition: having three angles and three sides; shaped like a triangle
Pronunciation (IPA): /traɪˈæŋɡjələr/
Example Sentences
- The pizza slice had a perfect triangular shape that reminded me of my geometry class nightmares.
- The triangular building was so unusual that tourists kept taking selfies with it.
- My love life became a triangular mess when my ex started dating my best friend.
triangular
ADJECTIVE[/traɪˈæŋɡjələr/]
having three angles and three sides; shaped like a triangle

The triangular sandwich slices stack neatly on the cafe counter at lunchtime.

From rectangular to triangular, with angular precision!
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🎤Pronunciation
🌳Etymology
Origin
The word derives from Latin 'triangulum', meaning 'triangle', which combines 'tri' (three) and 'angulus' (angle). The term reflects ancient Greek mathematicians' systematic study of geometric properties as the discipline of mathematics developed.
Breakdown
tri- (three) + -angular (having angles), where 'angular' itself derives from Latin 'angulus' meaning corner or angle.
🎵Rhyme
🔗Collocations
📝Examples
“The pizza slice had a perfect triangular shape that reminded me of my geometry class nightmares.”
“The triangular building was so unusual that tourists kept taking selfies with it.”
“My love life became a triangular mess when my ex started dating my best friend.”
“The triangular garden plot was challenging to landscape but created an interesting focal point.”
📚Related Words
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