Synonyms of duplicitous

duplicitous

adjective

du̇-ˈpli-sə-təs 

as in deceptive

given to or marked by cheating and deception

warned her not to trust the duplicitous art dealer

Synonyms & Similar Words

• deceptive
• fraudulent
• shady
• dishonest
• crooked
• rogue
• false
• underhanded
• shifty
• fast
• underhand
• bent
• double-dealing
• artful
• guileful
• treacherous
• unscrupulous
• deceitful
• sharp
• unprincipled
• unethical
• deceiving
• cunning
• unconscionable
• subtle
• wily
• crafty
• cagey
• sly
• delusive
• slick
• beguiling
• perfidious
• slippery
• insidious
• sneaky
• devious
• foxy
• delusory
• furtive
• tricky
• deluding
• defrauding
• trickish
• sneaking

Antonyms & Near Antonyms

• honest
• straight
• ethical
• honorable
• conscientious
• scrupulous
• decent
• upright
• aboveboard
• just
• forthright
• straightforward

Example Sentences

Recent Examples of duplicitous

The bigger problem, though, comes in a character played by Marion Cotillard, a duplicitous figure who takes over the reins of the film later. — Randy Myers, Mercury News, 14 July 2026

Infiltrate a swanky New York law firm that may be duplicitous in the opioid crisis, an epidemic that also happens to have taken the life of her daughter. — Whitney Friedlander, Variety, 14 June 2026

The takeaway, then, isn’t that students are duplicitous and depraved or that technology has eroded their moral core. — Jay Caspian Kang, New Yorker, 19 May 2026

After backing out of an agreement to trade first-round picks in 2026 and 2027 for Crosby, DeCosta was decried as dishonorable, dirty and duplicitous, especially after Baltimore signed another accomplished edge rusher, Trey Hendrickson, to a free-agent deal the following day. — Michael Silver, New York Times, 27 Apr. 2026