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Infectious has 38 synonyms. The top synonyms for infectious are pestiferous, toxic, poisonous, venomous, malignant, miasmic, malign, virulent and 30 more. Another word for infectious is pestiferous. Browse the full list below.
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| Random | DefinitionA common synonym for infectious is pestiferous. Other synonyms include toxic, poisonous, venomous, malignant.
Infectious has 38 synonyms listed on Thesaurasize.
(adj): Transmitted from one person to another, usually through the air breathed; spreading quickly from one person to another Example: "her enthusiasm for work is really infectious."
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