underhand, underhanded, underarm(adj)

with hand brought forward and up from below shoulder level

"an underhand pitch"; "an underhand stroke"

sneaky, underhand, underhanded(adverb)

marked by deception

"achieved success in business only by underhand methods"

underhandedly, underhand(adverb)

slyly and secretly

"Mean revenge, committed underhand"- John Donne; "oldline aristocratic diplomats underhandedly undermined the attempt...to align Germany with the Western democracies"- C.G.Bowers

underarm, underhand(adverb)

with the hand swung below shoulder level

"throwing a ball underarm"

underhand(Adverb)

with an underhand movement

underhand(Adverb)

in a sly, sneaky or secret manner

underhand(Adjective)

dishonest and sneaky; done in a secret or sly manner

underhand(Adjective)

(in various ball games, of a ball) thrown etc with the hand brought forward and up from below

Underhand(adj)

secret; clandestine; hence, mean; unfair; fraudulent

Underhand(adj)

done, as pitching, with the hand lower than the shoulder, or, as bowling, with the hand lower than elbow

Underhand(adverb)

by secret means; in a clandestine manner; hence, by fraud; unfairly

Underhand(adverb)

in an underhand manner; -- said of pitching or bowling