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90s Slang You Should Know


[in-jen-yoo-uh s] /ɪnˈdʒɛn yu əs/
free from reserve, restraint, or dissimulation; candid; sincere.
artless; innocent; naive.
Obsolete. honorable or noble.
Origin of ingenuous
1590-1600; < Latin ingenuus native, free-born, honorable, frank, equivalent to in- in-2 + gen- (base of gignere; see ingenious) + -uus deverbal adj. suffix; see -ous
Related forms
ingenuously, adverb
ingenuousness, noun
half-ingenuous, adjective
half-ingenuously, adverb
half-ingenuousness, noun
Can be confused
ingenious, ingenuous (see usage note at ingenious)
1. frank, straightforward, open. 2. guileless.
Usage note
See ingenious. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for ingenuous
Contemporary Examples
Historical Examples
  • Simply, that you are the most ingenuous, the most delightful creature in the world.

    Venus in Boston; George Thompson
  • "I know it," she confessed, softening her frank agreement with an ingenuous smile.

    Blow The Man Down Holman Day
  • As for the present book, it is ingenuous and delicate, the revealer of a fine intelligence.

    The Book of Masks Remy de Gourmont
  • His wife effected an introduction in her own ingenuous fashion.

  • "Now show me what guides the boat," I exclaimed, in my most ingenuous voice, as he rose from the meal and moved towards the tower.

  • I could hardly leave his ingenuous tale to rise and turn on the gas.

    When Winter Comes to Main Street Grant Martin Overton
  • As to botany, he cherished it with a deep and ingenuous passion, and not as a pastime.

  • A pleasant, ingenuous face it was, flushed now with the joy of triumph.

    The Doomsman Van Tassel Sutphen
  • Remember you are talking to a Yale girl, and not an ingenuous Harvard maiden.

    Brenda's Ward Helen Leah Reed
British Dictionary definitions for ingenuous


naive, artless, or innocent
candid; frank; straightforward
Derived Forms
ingenuously, adverb
ingenuousness, noun
Word Origin
C16: from Latin ingenuus freeborn, worthy of a freeman, virtuous, from in-² + -genuus, from gignere to beget
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ingenuous

1590s, "noble in nature," from Latin ingenuus "with the virtues of freeborn people, of noble character, frank, upright, candid," originally "native, freeborn," from in- "in" (see in- (2)) + gen-, root of gignere "beget, produce" (see genus). Sense of "artless, innocent" is 1670s, via evolution from "high-minded" to "honorably open, straightforward," to "innocently frank." Related: Ingenuously; ingenuousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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