duplicity

From Latin duplicare (double). Equivalent to duplex +‎ -ity.

• IPA^(key): /duˈplɪ.sɪ.ti/, /dju-/

• Audio (Southern England):

  (file)

duplicity (countable and uncountable, plural duplicities)

1. Intentional deceptiveness; double-dealing.
2. The quality of being double or twofold.
   • 1982, H. B. Barlow, J. D. Mollon, Senses, page 104:

     For instance the rod-cone 'duplicity' of retinal function was first enunciated by the German microscopist Max Schultze in 1866 […]

• duplicitous
• dupe

• double-cross