underhand

Definitions of underhand in various dictionaries:

adj - with hand brought forward and up from below shoulder level

adj - marked by deception

adv - slyly and secretly

adv - with the hand swung below shoulder level

Marked by or done in a deceptive, secret, or sly manner; dishonest and sneaky.

Executed with the hand brought forward and up from below the level of the shoulder; underarm: an underhand pitch; an underhand stroke.

With an underhand movement: Throw the ball underhand.

In a sly and secret way.