Definitions
1.NounA hammer that consists of a large, heavy, broad and flat block of metal (the head) attached to a handle typically 0.5 meter to 1 meter long. The sledgehammer's design is meant to allow it to be swung powerfully, and to distribute force over a wide area upon impact.
2.VerbTo strike (something) with a sledgehammer.
3.AdjectiveCompletely lacking grace and dexterity.