Synonyms|183Antonyms|56|Broader|1Narrower|6Related|242
6
adult
5
gray
5
mature
4
grey
3
grown-up
2
elderly
2
sophisticated
1
old
1
experienced
1
good
1
mature love
0
adult female
0
adult male
0
advanced
0
aged
0
aging
0
big(adjective, grown)
0
canny
0
complete
0
cosmopolitan
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APASmart Define. (2015). infantile thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/infantile/thesaurus/antonyms
ChicagoSmart Define. 2015. "infantile thesaurus" https://smartdefine.org/infantile/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, infantile thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/infantile/thesaurus/antonyms>.
MLASmart Define. "infantile thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/infantile/thesaurus/antonyms>