Definify.com

Webster 1828 Edition

Noun.

Artifice; duplicity; deceitful practice; the profession of one thing and the practice of another.

See also: double dealing

double-dealing ‎(not comparable)

(of a person) Cheating, dishonest; treacherous.
You low-down, no-good, double-dealing sidewinder!

cheating, dishonest

double-dealing ‎(countable and uncountable, plural double-dealings)

deceit or treachery

Russian: двули́чность (ru) f ‎(dvulíčnostʹ), двуру́шничество (ru) n ‎(dvurúšničestvo), двули́чие (ru) n ‎(dvulíčije)