adultescent

[ad-uhl-tes-uh nt, uh-duhl‐]

Origin of adultescent

First recorded in 1995–2000; adult + (adol)escent
Also called a·dul·to·les·cent [uh-duhl-tuh-les-uh nt] /əˌdʌl təˈlɛs ənt/, kidult.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for adultolescent

adultescent

noun
  1. an adult who is still actively interested in youth culture
adjective
  1. aimed at or suitable for adultescents
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