Synonyms|0Antonyms|0|Broader|0Narrower|6Related|0
1
cause
1
fountainhead
1
origin
1
root
1
source
1
the horse's mouth
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APASmart Define. (2011). primal source thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/primal_source/thesaurus/narrower
ChicagoSmart Define. 2011. "primal source thesaurus" https://smartdefine.org/primal_source/thesaurus/narrower (accessed September 20, 2026).
HarvardSmart Define 2011, primal source thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/primal_source/thesaurus/narrower>.
MLASmart Define. "primal source thesaurus" 2 May 2011. Web. 20 September 2026. <https://smartdefine.org/primal_source/thesaurus/narrower>