because he hath vouchsafed to preserue our nation from such fountains, from serpents and venemous wormes, & from al other pestiferous & contagious creatures.
Source: wiktionary
Ranked by relevance and common usage.
Keep "pestiferous" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
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Choose a synonym only if it keeps the core idea of "pestiferous" intact in the sentence you are editing.
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Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
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7 total sentences available.
because he hath vouchsafed to preserue our nation from such fountains, from serpents and venemous wormes, & from al other pestiferous & contagious creatures.
Source: wiktionary
In these solemn moments man discovers the germ of those vices, which like the Java tree shed a pestiferous vapour around--death is in the shade!
Source: wiktionary
and bears the body of our dear brother here departed to a hemmed-in churchyard, pestiferous and obscene, whence malignant diseases are communicated to the bodies of our dear brothers and sisters who have not departed...
Source: wiktionary
Wherever there is a vacant space the authorities have allowed refugees to put up pestiferous shacks, which now flank in unbroken lines the country roads leading into Rangoon, the railway tracks, and the shores of the Royal Lake.
Source: wiktionary
Showing 4 of 7 available sentences.
Closest matches include aggravating, annoying, annoying, bad, bad for.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.