Main entry: sneaky, underhand, underhanded
Definition: marked by deception
Usage: achieved success in business only by underhand methods
Main entry: underarm, underhand, underhanded
Definition: with hand brought forward and up from below shoulder level
Usage: an underhand pitch; an underhand stroke
Main entry: underarm, underhand
Definition: with the hand swung below shoulder level
Usage: throwing a ball underarm
Main entry: underhand, underhandedly
Definition: slyly and secretly
Usage: Mean revenge, committed underhand- John Donne; oldline aristocratic diplomats underhandedly undermined the attempt...to align Germany with the Western democracies- C.G.Bowers