4 entries under spreading topic. ×

43
infectious(adjective, move, unhealthy, widespread, fatal)
22
catching(verb, adjective, move, widespread, toxic)
8
transmittable(adjective, catching, toxic, infectious)
2
transferable(adjective, catching, toxic, infectious)
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APASmart Define. (2015). contagious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/contagious/thesaurus/synonyms
ChicagoSmart Define. 2015. "contagious thesaurus" https://smartdefine.org/contagious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, contagious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/contagious/thesaurus/synonyms>.
MLASmart Define. "contagious thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/contagious/thesaurus/synonyms>