Lacking in honesty or integrity; deceitful


US English

UK English

Part of speech



deceitful, fraudulent, insincere, mendacious, underhanded


sincere, honest, truthful, straightforward, aboveboard

Example sentences

  • The duplicitous actions of the businessman led to his downfall.
  • She had no trust for the duplicitous man who had lied to her.
  • The duplicitous behavior of the politician made him a reviled figure.


The word “duplicitous” is used to describe someone or something that lacks honesty or integrity, and is often used to suggest deceitfulness. It implies that a person or thing is untrustworthy or untruthful, and may be seen as being morally or ethically wrong. The word is often used in a negative context, indicating a lack of credibility or reliability. A person or thing that is described as “duplicitous” may be seen as being hypocritical or insincere, and is not necessarily viewed as being a good or trustworthy thing. In some contexts, the term may be used more broadly to describe anything that lacks honesty or integrity