The Collaborative International Dictionary
Backhandedness
Backhandedness \Back"hand`ed*ness\, n. State of being backhanded; the using of backhanded or indirect methods.
Wiktionary
backhandedness
n. 1 The quality of being backhanded; 2 # The use of a backward flip of the hand. 3 # insincerity, irony, or sarcasm 4 # indirection 5 # (context of writing English) leftward slant. 6 # Backwardness of direction. 7 # deceit or neglect.