ETYM Latin adolescens, p. pr. of adolescere to grow up to; ad + the inchoative olescere to grow: cf. French adolescent. Related to Adult.
1. Being of the age 13 through 19; SYN. teen, teenage, teenaged.
2. Displaying or suggesting a lack of maturity; SYN. jejune, juvenile, puerile.
3. In the state of development between puberty and maturity.
4. Relating to or peculiar to or suggestive of an adolescent.