obtuse
/əbˈtus/
adjective
- Slow to understand or perceive; not clever or sharp-minded.
- He was too obtuse to realize she was joking.
- The teacher grew frustrated with the obtuse student who kept asking the same question.
- I felt obtuse for not understanding the simple instructions.
- Of an angle: greater than 90 degrees and less than 180 degrees.
- The roof forms an obtuse angle with the wall.
- An obtuse angle looks wider than a right angle.
- In geometry class, we learned to measure an obtuse angle with a protractor.
- Not sharp or pointed; blunt in shape.
- The sculptor preferred an obtuse chisel for smoothing the stone.
- The knife had an obtuse edge and wouldn't cut the bread.
- The leaf has an obtuse tip, rounded rather than pointed.