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Related to adultness: idleness


 (ə-dŭlt′, ăd′ŭlt)
1. One who has attained maturity or legal age.
2. Biology A fully grown, mature organism.
1. Fully developed and mature.
2. Relating to, intended for, or befitting adults: adult education.
3. Containing or dealing in explicitly sexual material; pornographic: adult movies.

[From Latin adultus, past participle of adolēscere, to grow up; see adolescent.]

a·dult′hood′ n.
a·dult′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(əˈdʌltnəs; ˈædʌltnəs)
the state or quality of being an adult; an impression of maturity
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
How does one measure one's level of adultness? Is adultness defined by biology, words, age, or maturity level?
Take at least 20 minutes each day to peel back all of your adultness, explore with your kids, and celebrate what you discover together.
The most various Simpson index among different ages of PM allocate to oldness, adultness, middle-agedness, and youngness (for herbal layer) and oldness, adultness, youngness, and middle-agedness, respectively, (for regeneration layer) in accordance with different plant species (Table 3).