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English to English adjective
| 1 |
Pestilential; noxious; pernicious; mischievous. |  | source: webster1913 adjective satellite
| 2 |
exceedingly harmful |  | source: wordnet30
| 3 |
likely to spread and cause an epidemic disease |  | Example: a pestilential malignancy in the air plaguey fevers
source: wordnet30
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