177 entries under adjective topic. ×

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uncontaminated(unusual, strange, fresh, original)
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unconventional(new, hot, natural, raw)
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uncool(kindly, ignorant, naive, unknowing)
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underage(new, immature)
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unhurtful(kindly, ignorant, naive, unknowing)
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uninjurious(kindly, ignorant, naive, unknowing)
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added(new, replacement, additional, other)
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additional(new, replacement, other, renewed)
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another(new, replacement, additional, other)
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auxiliary(new, replacement, additional, other)
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diminutive(little, miniature)
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dwarf(little, miniature, wee)
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else(new, replacement, additional, other)
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extra(new, replacement, additional, other)
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farther(new, replacement, additional, other)
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firsthand(fresh, original, novel, innovative)
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fresh-looking
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full of life(new, immature)
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further(new, replacement, additional, other)
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increased(new, replacement, additional, other)
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APASmart Define. (2016). youthful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/youthful/thesaurus/synonyms
ChicagoSmart Define. 2016. "youthful thesaurus" https://smartdefine.org/youthful/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, youthful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/youthful/thesaurus/synonyms>.
MLASmart Define. "youthful thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/youthful/thesaurus/synonyms>