pestilential
🇺🇸
/ˌpestɪˈlenʃl/
🇬🇧
/ˌpestɪˈlenʃl/
Very irritating or causing great discomfort.
The constant noise from the construction site was pestilential.
建設現場からの絶え間ない騒音は耐え難かった。
Causing or related to a disease that spreads quickly and is deadly.
The pestilential conditions in the city led to a rapid spread of the plague.
都市の悪条件が疫病の急速な拡散を招いた。