Last Updated：2025/11/20

Of animals, plants, or substances: extremely venomous or poisonous. / (figuratively) Extremely hostile or malicious; intensely acrimonious.

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virulent

Source Word

virulent

IPA(Pronunciation)

figuratively

Of animals, plants, or substances: extremely venomous or poisonous. / (figuratively) Extremely hostile or malicious; intensely acrimonious.

Japanese Meaning

（動物、植物、物質に関して）極めて猛毒の、または非常に有害な毒を持つ、という意味。 / （比喩的に）極めて敵意が強く、恨みを持っている、または非常に辛辣な態度を示すという意味。

Researchers discovered a virulent toxin in the river that killed several fish within hours.

研究者たちは、川で猛毒の物質を発見し、それが数時間のうちに数匹の魚を死に至らしめたことを確認した。

Sense（1）

Of animals, plants, or substances: extremely venomous or poisonous.

Sense（2）

(figuratively) Extremely hostile or malicious; intensely acrimonious.

The politicians were virulent in their hatred of the president.

Sense（3）

(medicine) Of a disease or disease-causing agent: malignant, able to cause damage to the host.

Sense（4）

(microbiology) Of a pathogen: replicating within its host cell, then immediately causing it to undergo lysis.

more virulent

（ comparative ）

most virulent

（ superlative ）