1
impure(adjective, simple, rough, coarse, natural)
1
in arrear
1
in arrears
1
in default
1
in short supply(expression, idiom)
1
inadequate
1
inane
1
incomplete
1
instinctive(simple, plain, fresh, innocent, sincere)
1
intact
1
jackleg
1
juicy
1
kidstuff(inexperienced, young, childish, undeveloped, unformed)
1
know-nothing
1
lacking
1
lamb(simple, plain, fresh, innocent, sincere)
1
larva(noun, infant)
1
leafy(lush, luxuriant, verdant)
1
like a babe in the woods(expression, simple, plain, fresh, innocent)
1
loutish
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APASmart Define. (2016). callow thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/callow/thesaurus/synonyms
ChicagoSmart Define. 2016. "callow thesaurus" https://smartdefine.org/callow/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, callow thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/callow/thesaurus/synonyms>.
MLASmart Define. "callow thesaurus" 28 March 2016. Web. 21 September 2026. <https://smartdefine.org/callow/thesaurus/synonyms>