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Level800
adjective (形容詞)
deleterious

有害な、有害で

💡 Usage & Nuance: 環境や健康、事業に対して「有害な影響」を及ぼすという文脈で、やや硬い表現としてPart 7の長文で出題されることがあります。

🔄 Paraphrase & Synonyms

harmful
detrimental
damaging

📝 Business Examples

Smoking has a deleterious effect on health.
喫煙は健康に有害な影響を及ぼす。

Part 5 Practice Quiz

Verify your vocabulary strength for "deleterious"

The new policy could have _______ effects on employee morale if not implemented carefully.
🎉 正解 / Correct!
解説: 従業員の士気に「有害な影響」を与える可能性がある、という文脈が適切です。
English: 'Could have effects' combined with 'if not implemented carefully' suggests negative effects.
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