underhand

adjective

  1. 1

    marked by deception

    achieved success in business only by underhand methods

  2. 2

    with hand brought forward and up from below shoulder level

    an underhand pitch

    an underhand stroke

adverb

  1. 1

    with the hand swung below shoulder level

    throwing a ball underarm

  2. 2

    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

Synonyms

Also useful for “underhand”:Unscrambler