62 entries under adjective topic. ×
| green(healthy, experienced, immature) | |
| immature(inexperienced, young) | |
| young(old, immature) | |
| childish(silly, immature) | |
| youthful(new, old, immature) | |
| juvenile | |
| unripe(noun, reading, immature) | |
| silly(foolish, absurd, giddy) | |
| infantile | |
| babyish | |
| undeveloped | |
| unfledged | |
| inexperienced(old, immature, seasoned) | |
| unformed | |
| puerile | |
| adolescent | |
| boyish | |
| incipient | |
| simple(hard, complex, innocent, vague) | |
| tender(healthy, inexperienced, ok, young) |
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| APA | Smart Define. (2015). mature thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mature/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "mature thesaurus" https://smartdefine.org/mature/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, mature thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mature/thesaurus/antonyms>. |
| MLA | Smart Define. "mature thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/mature/thesaurus/antonyms> |