underhanded

• POS: Adjective
• HYPHEN: un=der=hand=ed

CIDE DICTIONARY

underhanded, a. 

•  Underhand; clandestine.  [1913 Webster]
•  Insufficiently provided with hands or workers; short-handed; sparsely populated; obsolete in this sense, short-handed or understaffed being the preferrred term.  [1913 Webster]

  "Norway . . . might defy the world, . . . but it is much underhanded now."  [1913 Webster]

OXFORD DICTIONARY

underhanded, adj. & adv. = UNDERHAND.

THESAURUS

underhanded

amoral, artful, back-door, backstairs, calculating, chiseling, clandestine, collusive, conscienceless, corrupt, corrupted, covert, covinous, crafty, criminal, crooked, cunning, dark, deceitful, devious, dishonest, dishonorable, doubtful, dubious, duplicitous, evasive, false, falsehearted, feline, felonious, finagling, fishy, fraudulent, furtive, guileful, hidlings, hole-and-corner, hugger-mugger, ill-got, ill-gotten, immoral, indirect, insidious, not kosher, privy, questionable, quiet, rotten, scheming, shady, shameless, sharp, shifty, sinister, skulking, slinking, slinky, slippery, sly, sneaking, sneaky, stealthy, surreptitious, suspicious, treacherous, trickish, tricky, two-faced, unconscienced, unconscientious, unconscionable, under-the-counter, under-the-table, undercover, underground, underhand, undermanned, understaffed, unethical, unobtrusive, unprincipled, unsavory, unscrupulous, unstraightforward, wily, without remorse, without shame