UNDERHANDEDLY

underhandedly, underhand

(adverb) 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

Source: WordNet® 3.1

Etymology

Adverb

underhandedly (comparative more underhandedly, superlative most underhandedly)

In an underhanded manner.

Source: Wiktionary

Un"der*hand`ed*ly, adv.

Definition: In an underhand manner.

UNDERHANDED

Un"der*hand`ed, a.

1. Underhand; clandestine.

2. Insufficiently provided with hands or workers; short-handed; sparsely populated. Norway . . . might defy the world, . . . but it is much underhanded now. Coleridge.

UNDERHAND

Un"der*hand`, a.

1. Secret; clandestine; hence, mean; unfair; fraudulent. Addison.

2. (Baseball, Cricket, etc.)

Definition: Done, as pitching, with the hand lower than the shoulder, or, as bowling, with the hand lower than elbow.

Un"der*hand`, adv.

1. By secret means; in a clandestine manner; hence, by fraud; unfairly. Such mean revenge, committed underhand. Dryden. Baillie Macwheeble provided Janet, underhand, with meal for their maintenance. Sir W. Scott.

2. (Baseball, Cricket, etc.)

Definition: In an underhand manner; -- said of pitching or bowling.

Source: Webster’s Unabridged Dictionary 1913 Edition