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Word of the Day Tuesday, June 9, 2026

pestiferous

/pɛstɪˈfɛrəs/ adjective · British & US
Valid in UKValid in US
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What does pestiferous mean?

adjective

Causing or characterized by disease or discomfort; extremely annoying or troublesome.

Example

"The pestiferous mosquitoes in the swamp made it difficult to enjoy the outdoors."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for pestiferous

Antonyms of pestiferous

Rhymes with pestiferous

Etymologically related