I. ˈskükəm noun
( -s )
Etymology: Chinook jargon, powerful, evil spirit, from Chehalis skukm
: an evil spirit
II. adjective
Etymology: Chinook jargon
1. : marked by strength or power
was a skookum eater most times, but he pushed his bowl away — Arthur Mayse
2. : marked by excellent quality : first-rate
as handsome and healthy as skookum apples — Time