Synonyms|2Antonyms|0|Broader|0Narrower|0Related|0
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biological parent(noun, father)
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birth parent(noun, parent)
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APASmart Define. (2011). natural parent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/natural_parent/thesaurus/synonyms
ChicagoSmart Define. 2011. "natural parent thesaurus" https://smartdefine.org/natural_parent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2011, natural parent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/natural_parent/thesaurus/synonyms>.
MLASmart Define. "natural parent thesaurus" 19 May 2011. Web. 20 September 2026. <https://smartdefine.org/natural_parent/thesaurus/synonyms>