{s} clandestine, sly, deceitful, dubious; (for example of a throw) performed with the arm below the height of the shoulder and the palm of the hand facing forward
under·hand in AM usually use, and in BRIT sometimes use underhanded1. disapproval If an action is underhand or if it is done in an underhand way, it is done secretly and dishonestly. underhand financial deals. a list of the underhanded ways in which their influence operates in the United States Mr Livingstone accused the government of being underhand
You use underhand or underhanded to describe actions, such as throwing a ball, in which you do not raise your arm above your shoulder. an underhanded pitch. overarm Underhand is also an adverb. In softball, pitches are tossed underhand. overarm. dishonest and done secretly
with hand brought forward and up from below shoulder level; "an underhand pitch"; "an underhand stroke
with hand brought forward and up from below shoulder level; "an underhand pitch"; "an underhand stroke"
Done, as pitching, with the hand lower than the shoulder, or, as bowling, with the hand lower than elbow
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