say it: doo-PLIS-i-tuhs
duplicitous is an adjective meaning "marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another". It carries one recorded sense.
marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
“she was a deceitful scheming little thing”
“a double-dealing double agent”
“a double-faced infernal traitor and schemer”
Definitions, synonyms and semantic relations for duplicitous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.