0
done
0
erudite
0
fantastic
0
fledged
0
full-fledged
0
geriatric
0
greathearted(dull, little)
0
grownup
0
historic
0
honorable
0
knowing
0
levelheaded
0
long-lived
0
maternal
0
old hand
0
old style
0
old style font
0
older
0
orthodox
0
over-the-hill
11 years ago|779 views|share |citing 
APASmart Define. (2015). infantile thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/infantile/thesaurus/antonyms
ChicagoSmart Define. 2015. "infantile thesaurus" https://smartdefine.org/infantile/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, infantile thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/infantile/thesaurus/antonyms>.
MLASmart Define. "infantile thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/infantile/thesaurus/antonyms>