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Definition of duplicitous

duplicitous

/d(j)uːˈplɪsɪtəs/
du · plic · i · tous

Adverb:duplicitously
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duplicitous Lexical Profile

duplicitous Game Scores & Validity

• adjective

1

Characterized by deliberate deceit, double-dealing, or speaking and acting in two different ways concerning the same matter with the intent to deceive.

Example

"The investigation exposed the official's duplicitous behavior, showing he had privately lobbied against the very reforms he publicly championed."


2

Improperly uniting two or more distinct offenses, claims, or pleas within a single count of an indictment or pleading (in law).

Example

"The defense attorney moved to dismiss the first count of the indictment on the grounds that it was duplicitous."

Synonyms
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Antonyms
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Word Nuance & Usage

In criminal law, an indictment or charge is 'duplicitous' (exhibiting duplicity) when it improperly combines two or more distinct offenses into a single count, without necessarily implying moral deceit.

• Rhymes for duplicitous

Word Origin & Etymology

Formed in the late 19th century from 'duplicity' and the suffix '-ous', ultimately tracing back to Late Latin 'duplicitas', from Latin 'duplex' ('double, twofold'), composed of 'duo' ('two') and 'plicare' ('to fold').

Cite this Entry


Wordmom. (2026). Definition of Duplicitous. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/duplicitous
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