| adolescent(noun, adjective, person, mature, immature) | |
| jejune | |
| green(adjective, healthy, experienced) | |
| babe(noun, baby) | |
| child(noun, person) | |
| young(noun, adjective) | |
| juvenile(noun, adjective, person, childish) | |
| infant(noun, adjective, baby) | |
| kid(noun, person) | |
| immature(adjective, old, inexperienced, young) | |
| childish(adjective, silly, mature, immature) | |
| minor(noun, adjective, superior, big, small) | |
| infantile | |
| baby(noun, infant) | |
| girl | |
| neonatal | |
| unfledged | |
| unformed | |
| unsexy | |
| youngish |
For more, visit
Adult on
Power Thesaurus
| APA | Smart Define. (2016). adult thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/adult/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "adult thesaurus" https://smartdefine.org/adult/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, adult thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/adult/thesaurus/antonyms>. |
| MLA | Smart Define. "adult thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/adult/thesaurus/antonyms> |