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Impetuosity is the noun for doing things in a rush, without stopping to think first — or for the quality of a person who is like that. It can name a habit (his impetuosity gets him into trouble) or a single act (the impetuosity of that decision). It is not always an insult. People sometimes like a bit of it in love or in sport, the feeling of going for it. More often it is a gentle criticism: you moved too fast. The word is fairly formal. Everyday English prefers impulsiveness, haste, or simply “you didn’t think.” Though actually, it sits beside impetus, a push that sets something moving. Impetuosity is that push inside a person, before the mind has caught up.
衝動；魯莽（不先想就衝出去的個性或舉動）
組成impetuous + -ity (the quality of being that way). From English impetuous + -ity; English also had the noun from Middle French impétuosité, from Old French.
同家族的字
- impetuousthe adjective — a person or act that shows this quality
- impetuouslythe adverb — in a rushing, unthinking way
- impetusa push or driving force — same Latin family, not the same meaning
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
impetuositynoun
- 1
The quality of making rash or arbitrary decisions, especially in an impulsive or forceful manner.
- She had however another motive, beside her obedience, to accompany the old gentleman in the chase; for by her presence she hoped in some measure to restrain his impetuosity, and to prevent him from so frequently exposing his neck to the utmost hazard.
- 2
The condition or quality of being impetuous, impatient; fury; violence.
- Again his lordship began his long and deliberate perusal, while Henrietta watched the slow motion of his eyes with a degree of impetuosity she could scarcely repress.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。