underhanded
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
Underhanded \Un"der*hand`ed\, a.
1.Underhand; clandestine. [1913 Webster]
2.Insufficiently provided with hands or workers; short-handed; sparsely populated; obsolete in this sense, short-handed or understaffed being the preferrred term. [1913 Webster +JG]
Norway . . . might defy the world, . . . but it is much underhanded now.— Coleridge.[1913 Webster]