Synonyms|840Antonyms|161|Broader|11Narrower|16Related|1.2k
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old hand
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old style
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old style font
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oldish
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over-the-hill
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overage
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overaged
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overcooked
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overdone
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overdue
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overlarge
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overripe
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perfect
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precocious
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proficient(green, incompetent)
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progressive
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punctual
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punctually
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qualified
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refined
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APASmart Define. (2016). immature thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/immature/thesaurus/antonyms
ChicagoSmart Define. 2016. "immature thesaurus" https://smartdefine.org/immature/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, immature thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/immature/thesaurus/antonyms>.
MLASmart Define. "immature thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/immature/thesaurus/antonyms>