Answer:

obtuse

Answer	Crossword Clue
OBTUSE	Dense
OBTUSE	Between right and straight
OBTUSE	Dumb as a doorknob

OBTUSE	Insensitive
OBTUSE	Slow
OBTUSE	Thick
OBTUSE	Boorish
OBTUSE	Like angles between 90 and 180 degrees
OBTUSE	More than right, in triangles
OBTUSE	Slow-witted
OBTUSE	Thickheaded

OBTUSE	Slow to learn
OBTUSE	A few bricks short of a load
OBTUSE	Wide angle designation
OBTUSE	Not the sharpest knife in the drawer
OBTUSE	Slow on the uptake
OBTUSE	Like some triangles
OBTUSE	Opaque
OBTUSE	Certain angle

OBTUSE	Tactless
OBTUSE	Like some angles
OBTUSE	Not too apt
OBTUSE	Not very astute
OBTUSE	Incapable of insight
OBTUSE	Far from sharp
OBTUSE	Not alert
OBTUSE	Unobservant

OBTUSE	Blunt.
OBTUSE	Stupid.
OBTUSE	Slow to understand.
OBTUSE	Imperceptive.
OBTUSE	Not perceptive.
OBTUSE	Dull.
OBTUSE	Slow on the uptake.
OBTUSE	Insensitive.

OBTUSE	Kind of angle
OBTUSE	Blunt
OBTUSE	Dimwitted
OBTUSE	Dense or dull
OBTUSE	Dull