duplicitous

Etymology

duplicity +‎ -ous

Pronunciation

• (Received Pronunciation) IPA^(key): /djʊˈplɪsɪtəs/
• (US) IPA^(key): /duːˈplɪsətəs/, /djuːˈplɪsətəs/

• Audio (US)

  (file)

Adjective

duplicitous (comparative more duplicitous, superlative most duplicitous)

1. Given to or marked by deliberate deceptiveness in behavior or speech.
   • 2017 January 19, Peter Bradshaw, “T2 Trainspotting review – choose a sequel that doesn't disappoint”, in the Guardian‎:

     It reunites the horribly duplicitous skag-addicted non-heroes of the first movie about twentysomethings trying to get off heroin in Edinburgh, and finding that they have nothing very much to put in its place.