What does "duplicity" mean?

Intentional deceptiveness; double-dealing.

How do you pronounce "duplicity"?

Pronounced //duˈplɪ.sɪ.ti//.

Common synonyms include: double-dealing, ambidexterity, ambiguity, ambivalence, artfulness, artifice.

/duˈplɪ.sɪ.ti/ noun

noun ·Moderate ·College level

Noun

1
Intentional deceptiveness; double-dealing. countable, uncountable
2
acting in bad faith; deception by pretending to entertain one set of intentions while acting under the influence of another wordnet
3
The quality of being double or twofold. countable, uncountable
"For instance the rod-cone 'duplicity' of retinal function was first enunciated by the German microscopist Max Schultze in 1866 […]"
4
a fraudulent or duplicitous representation wordnet

"Tom is often accused of duplicity."

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