5
adolescently(adverb, youthfully, adolescently)
4
boyishly(adverb, youthfully)
4
childishly(adverb, youthfully)
4
greenly(adverb, youthfully)
4
jejunely
4
youthfully(adverb, youthfully, adolescently)
3
puerilely(adverb, youthfully, adolescently)
2
babyishly(adverb, childishly)
2
callowly
2
crudely
2
prematurely
2
unripely
2
youngly
1
covetously
1
deficiently(adverb, incompletely)
1
dependently
1
discontinuously(adverb, incompletely)
1
early
1
enviously
1
formatively
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APASmart Define. (2013). immaturely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/immaturely/thesaurus/synonyms
ChicagoSmart Define. 2013. "immaturely thesaurus" https://smartdefine.org/immaturely/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, immaturely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/immaturely/thesaurus/synonyms>.
MLASmart Define. "immaturely thesaurus" 28 June 2013. Web. 22 September 2026. <https://smartdefine.org/immaturely/thesaurus/synonyms>