- Definitions|2
- Thesaurus|358
- Abbreviations|0
| pestilent(adjective, unhealthy, dangerous) | |
| septic(adjective, unhealthy) | |
| baneful(adjective, baneful) | |
| destructive | |
| transferable(adjective, catching, toxic, spreading, infectious) | |
| virulent | |
| unhealthy(adjective, unhealthy) | |
| unwholesome(adjective, unhealthy) | |
| venomous | |
| inoculable(adjective, communicable) | |
| ancestral | |
| diseased(adjective, unhealthy) | |
| ill(adjective, baneful) | |
| impartible(adjective, communicable) | |
| mailable | |
| malign | |
| mephitic | |
| miasmatic | |
| movable | |
| pandemic(adjective, widespread, catching, wide-ranging, infectious) |
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| APA | Smart Define. (2015). contagious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/contagious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "contagious thesaurus" https://smartdefine.org/contagious/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, contagious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/contagious/thesaurus/synonyms>. |
| MLA | Smart Define. "contagious thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/contagious/thesaurus/synonyms> |