definition of
stun

[1] #1 stun v. [stupefy] make senseless or dizzy by or as if by a blow; "stun fish". wn

[2] #2 stun v. [sandbag] hit something or somebody as if with a sandbag. wn

[3] #3 stun v. [bedaze, daze] overcome as with astonishment or disbelief; "The news stunned her". wn