鈍 - dull, slow, foolish

dull (e.g. a knife); blunt

to become blunt; to grow dull

blunt weapon

becoming dull; slowing down

thickheaded; obtuse; stupid

thickheaded; insensitive; dull; thick-skinned

blockhead; dunce; dimwit; dolt; slowcoach; slowpoke

stupidity; dull person; dullness

luck, steadfastness and patience (the three keys to achieving success)

local train; slow train

dull yellow

dull; slow; stupid; dull-brained