from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state or quality of being immature.

from the GNU version of the Collaborative International Dictionary of English

  • n. The state or quality of being immature; immaturity.

from The Century Dictionary and Cyclopedia

  • n. Immaturity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. not having reached maturity


immature +‎ -ness (Wiktionary)


  • It is true that for a few years after leaving the cradle he had exhibited a certain immatureness, but as soon as he put on knickerbockers and began to go about a little he outgrew all that.

    Uneasy Money

  • Covent Garden, the child stepping blithely by my side, graceful even then, notwithstanding her immatureness, and quaintly attractive, though her deep blue eyes were full of tears, and the white terror had not passed wholly from her face.

    The Master Mummer

  • Usui, cornered, needles Aoi of her immatureness of not actually knowing the meaning of what she's doing.

    Anime Nano!

  • Today we get another issue about a bug which could not detect a leap year (what immatureness by Microsoft).

    Megite Technology News: What's Happening Right Now


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