鈍い にぶい のろい dull (e.g. a knife); blunt adj-i thickheaded; obtuse; stupid adj-i dull (sound, color, etc.); dim (light) adj-i slow; sluggish; inert; lethargic adj-i insensitive; dull (e.g. reflexes); unperceptive; unfeeling adj-i thickheaded; obtuse; stupid adj-i uk slow; sluggish; inert; lethargic adj-i uk indulgent (esp. to the opposite sex); doting adj-i uk Intermediate ➥