2
elementary(beginning, opening, original, first, previous)
2
first(adjective, beginning, opening, original, primary)
2
foremost(adjective, beginning, opening, original, first)
2
germinal(adjective, beginning, opening, original, primary)
2
inchoate(beginning, opening, original, first, primary)
2
infantine
2
initiative(beginning, opening, original, first, primary)
2
junior(slight, limited, insufficient, meager, youth)
2
lamb
2
little child(expression, idiom)
2
little doll(noun, expression, innocent, minor, bundle)
2
natal
2
neonatal
2
nipper(noun, innocent, minor, bundle, kid)
2
preemie(noun, bundle, kid, deduction, baby)
2
preliminary(adjective, beginning, original, first, early)
2
preschool child(expression, idiom)
2
primary(original, first, previous, early, initial)
2
prime(first, previous, initial)
2
primitive(first, previous, initial)
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APASmart Define. (2016). infant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/infant/thesaurus/synonyms
ChicagoSmart Define. 2016. "infant thesaurus" https://smartdefine.org/infant/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, infant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/infant/thesaurus/synonyms>.
MLASmart Define. "infant thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/infant/thesaurus/synonyms>