sledgehammer

Noun	1.	sledgehammer - a heavy long-handled hammer used to drive stakes or wedges Synonyms: maul, sledge
Verb	1.	sledgehammer - beat with a sledgehammer Synonyms: sledge

bang, baste, batter, beat, buffet, bulldozer, coercive, drub, flail, flap, forcible, hammer, knock, lambaste, larrup, maul, paste, patter, pelt, pommel, pound, pulverize, pummel, rap, spank, steamroller, strong-arm, thrash, thresh, thump, violent, wallop, whip