double-handedness

noun5

1. •
   The use of both hands together.
2. •
   The use of two people, working together.
3. •
   Duality, the quality of serving two purposes or having two (often contradictory) facets.

   • Yet here again Flaubert is able to reveal both the clichéd nature of the images and scenarios, and the lyrical attractions of such works for Emma, a double-handedness reminiscent of his own duality. — 2014
4. •
   Deceit or hypocrisy.

   • Seemingly forever, our race had found cause to call the whites devils, for their unyielding sense of exploitation; their double-handedness in dealing; their tongue-in-cheek fraternising. — 1993
5. •
   Ambidexterity