Difference between Underhand and Sneaky

Underhand

Part of speech: adverb

Definition: with an underhand movement in a sly, sneaky or secret manner

Part of speech: adjective

Definition: dishonest and sneaky; done in a secret or sly manner (in various ball games, of a ball) thrown etc with the hand brought forward and up from below

Sneaky

Part of speech: adjective

Definition: Difficult to catch due to constantly outwitting the adversariesdishonest; deceitful

Example sentence: Bausch is a wonderful storyteller. He's a mature writer who has a lot of confidence in the quality of character. He doesn't need to hook you with a sneaky plot and zany characters.