As an adjective underhand
is secret; clandestine.
As an adverb underhand
is with an underhand movement.
As a verb sneaking is
present participle of lang=en.
As a noun sneaking is
the act of one who sneaks.
underhand
English
Adjective
(
en adjective)
secret; clandestine
(by extension) dishonest and sneaky; done in a secret or sly manner
thrown (etc.) with the hand brought forward and up from below
Adverb
(
en adverb)
with an underhand movement
in a sly, sneaky or secret manner
sneaking
English
Verb
(head)
Noun
(
en noun)
The act of one who sneaks.
* 1915 , Charmian London, The Log of the Snark (page 108)
- Then there was much mirth and banter over the swift sneakings for home of certain men carrying large portions of puarka .