juvenescent

UK: /ˌdʒuːvɪˈnɛs^ənt/ US: ( jo̅o̅′və nes′ənt)

WordReference Random House Unabridged Dictionary of American English © 2026

ju•ve•nes•cent  ( jo̅o̅′və nes′ənt), adj. 

1. being or becoming youthful;
   young.
2. young in appearance.
3. having the power to make young or youthful:
   a juvenescent elixir.

• Latin juvenēscent- (stem of juvenēscēns, present participle of juvenēscere to become youthful), equivalent. to juven- young (see juvenile) + -ēscent- -escent
• 1815–25

ju′ve•nes′cence, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

juvenescent / ˌdʒuːvɪˈnɛs^ənt/ adjective

1. becoming or being young or youthful

Etymology: 19th Century: from Latin juvenēscere to grow up, regain strength, from juvenis youthful