Obtuse

Obtuse may refer to:
 * Obtuse angle, an angle of between 90 and 180 degrees
 * Obtuse triangle, a triangle with an internal angle of between 90 and 180 degrees
 * Obtuse leaf shape
 * Obtuse tepal shape
 * Obtuse barracuda, a ray-finned fish
 * Obtuse, a neighborhood in Brookfield, Connecticut