disingenuous

dis-in-JEN-yoo-uss /ˌdɪs.ɪnˈdʒen.ju.əs/
adjectiveC1GRESATGMATTOEFL
formal

Not candid or sincere; pretending to know less or feel differently than one really does.

Often describes someone feigning ignorance or naive innocence to gain a tactical advantage.

The story behind the word. In Roman law, an ingenuus was a free-born person of noble character, expected to speak openly and frankly. Adding dis- created a word for someone lacking that noble candor—someone pretending to be open while secretly scheming.

Word relationships

  • hypocritical: Hypocritical involves preaching virtues one does not practice, whereas disingenuous involves pretending to be naive or unaware.
  • insincere: Insincere means lacking genuine feeling, while disingenuous specifically implies false innocence or feigned ignorance.
  • ingenuous: Ingenuous means innocent, candid, and lacking guile.
  • sincere: Sincere means free from pretense or deceit.

Commonly confused with

  • ingenious: Ingenious means clever and inventive, whereas disingenuous means insincere or falsely naive.

Word family

  • disingenuously (adverb): In a disingenuous or insincere manner.
  • disingenuousness (noun): The quality of being disingenuous.

Collocations

  • disingenuous argument
  • disingenuous claim
  • disingenuous apology

Idioms & expressions

  • play dumb
  • shed crocodile tears

Example sentences

  • "It is disingenuous to claim that financial contributions play no role in political decision-making." Debating campaign finance

Memory hook

DIS (NOT) + INGENUOUS (innocent/honest) = NOT truly innocent, just pretending. Pretending not to know.

When not to use

Do not confuse with unintelligent; disingenuous people are calculatedly dishonest.

Fun facts

  • 'Ingenuous' and 'ingenious' look almost identical, but ingenuous relates to candid honesty while ingenious relates to brilliant cleverness.

Related words

hypocritical, specious, guile

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