deleterious

英 [ˌdelə'tɪəriəs] 美 [ˌdelə'tɪriəs]

adj.有害的

◉词源

“deleterious”源自希腊语“dēlētērios”，意为“有害的”，通过拉丁语“deleterius”进入英语。17世纪初用于英语，形容对健康、道德或环境造成损害的事物，强调有害或破坏性。

◉外刊例句

① 《Scientific American》 (2025年7月12日)

Pollution has deleterious effects on marine life.

污染对海洋生物有有害影响。

② 《The Guardian》 (2024年10月25日)

Stress is deleterious to mental health.

压力对心理健康有害。

◉经典名著

① 《米德尔马契》（Middlemarch） by George Eliot (1871-1872)

His habits were deleterious to his prospects.

他的习惯对他的前途有害。

② 《弗兰肯斯坦》（Frankenstein） by Mary Shelley (1818)

Ambition had deleterious effects on his soul.

野心对他的灵魂产生了有害影响。

◉Usage Examples

(1) This food be deleterious to health .

(2) Such weather is deleterious on plants.

(3) Some drugs have a deleterious effect on the body.

(1) 这食物有害健康。

(2) 这种天气对植物有害。

(3) 有些药品对身体有害

◉Usage Notes

If something is deleterious, it does harm or makes things worse. Smoking has obvious deleterious effects on your health, not to mention your social life.

My parents were worried that their divorce would have a deleterious effect on us kids, but in the end it was less harmful than watching them fight all the time. For most plants, a lack of sunlight has very deleterious consequences, but there are some plants that actually do very well in the dark. It's a wonder, given how well-established the science is, that we continue to do things that are deleterious to the fragile ecosystem. We must be willing to live with the deleterious effects.

◉柯林斯词典

1[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]有害的；造成损害的 Something that has a deleterious effect on something has a harmful effect on it. [FORMAL 正式]

Petty crime is having a deleterious effect on community life.

轻微罪行正对社区生活产生有害影响。