/slej"ham'euhr/ , n.
1. a large heavy hammer wielded with both hands.
v.t. , v.i.
2. to hammer, beat, or strike with or as if with a sledgehammer.
adj.
3. crudely or ruthlessly forceful; lacking all dexterity or grace: the artist's sledgehammer approach.
[ 1485-95; SLEDGE 2 + HAMMER ]