0
goodly
0
grown
0
grown-up
0
grownup
0
immemorial(adjective, old, ancient)
0
immense
0
later
0
longstanding
0
massive
0
mega
0
mildewed
0
moldy
0
monolithic
0
monster
0
musty
0
nubile
0
obsolete
0
of age
0
off
0
old-fashioned
10 years ago|2.6k views|share |citing 
APASmart Define. (2016). young thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/young/thesaurus/antonyms
ChicagoSmart Define. 2016. "young thesaurus" https://smartdefine.org/young/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, young thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/young/thesaurus/antonyms>.
MLASmart Define. "young thesaurus" 28 March 2016. Web. 24 September 2026. <https://smartdefine.org/young/thesaurus/antonyms>