1. A youth.

2. Advancing to manhood.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• adolsesent,
• adolenscent,
• adolescene,
• adolescenes,
• sdolescents,
• adolesecent,
• adlescent,
• adolscent,
• adoloscent,
• adolecnt,
• adolescant,
• adolecenst,
• adolecens,
• adolescnet,
• adolesnet,
• adolesencent,
• adoloescents,
• adolesent,
• adolecest,
• adolecent

• adolesce,
• adelson,
• adelstein,
• adelges,
• adolescence.

The adjective form of the word "adolescent" is "adolescent".

The plural of the "adolescent" can be the "adolescents".

The singular of the "adolescent" can be the "adolescent".