- Definitions|2
- Thesaurus|998
- Abbreviations|0
| ridiculous | |
| callow(adjective, weak, tender, silly, little) | |
| inexperienced(adjective, tender, new, little, green) | |
| mad | |
| stupid(adjective, silly, foolish, rash, absurd) | |
| tender(adjective, weak, new, little, green) | |
| unsophisticated(adjective, tender, pure, silly, innocent) | |
| unwise(adjective, foolish, stupid, rash, absurd) | |
| baby(adjective, weak, tender, silly, innocent) | |
| fresh(adjective, young) | |
| girlish(adjective, infant, young) | |
| innocent(adjective, plain, pure, silly, meek) | |
| senseless(adjective, silly, foolish, trivial, absurd) | |
| sophomoric(adjective, inexperienced, young, undeveloped, unformed) | |
| asinine | |
| idiotic | |
| inane(adjective, silly, foolish, stupid, absurd) | |
| irresponsible(adjective, foolish, stupid, rash, absurd) | |
| kiddish | |
| laughable |
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| APA | Smart Define. (2015). childish thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/childish/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "childish thesaurus" https://smartdefine.org/childish/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, childish thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/childish/thesaurus/synonyms>. |
| MLA | Smart Define. "childish thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/childish/thesaurus/synonyms> |