Translation guide
Describes someone who acts hastily without thinking, often leading to mistakes or trouble. Japanese has several common expressions ranging from mild to strong, with nuances of recklessness, thoughtlessness, or impulsiveness.
He is a rash person.
Neutral, standard way to say 'rash person'.
To describe a person who takes unnecessary risks or acts impulsively, often with negative consequences.
Literally 'reckless person'. 無謀 means 'reckless, foolhardy'. This is a direct and common way to describe someone who acts without considering danger or consequences.
He is a rash person.
Means 'reckless, daredevil' person. 向こう見ず literally 'not seeing the other side', implying a lack of foresight. Slightly more colloquial than 無謀.
Means 'careless, thoughtless person'. 軽率 implies acting without due consideration, often leading to mistakes. Common in formal and written contexts.
Means 'impatient, hasty person'. せっかち describes someone who rushes into things without patience. Often used for personality traits.
Idiomatic expression meaning 'a person who rushes headlong'. 猪突猛進 literally 'boar rush, fierce advance'. Vivid and somewhat literary.
To describe someone who acts on immediate desires or emotions without forethought.
Means 'impulsive person'. 衝動的 is the standard term for acting on impulse. Suitable for both casual and formal contexts.
He is a rash person who often shops without thinking.
Means 'short-tempered, quick-tempered person'. 短気 implies a tendency to get angry or act rashly due to impatience. Often used for personality.
Descriptive phrase: 'a person who acts without thinking about the consequences'. 後先 (あとさき) means 'before and after, consequences'. Natural in spoken Japanese.
To describe someone who speaks or acts without regard for others' feelings or the situation.
Means 'indiscreet, thoughtless person'. 無分別 (むふんべつ) implies lack of judgment or discretion. Often used for rash speech or actions.
A rash person quickly reveals secrets.
Colloquial: 'thoughtless person'. 考えなし literally 'without thought'. Casual and direct.
Idiom: 'a person with a loose tongue'. 口が軽い means 'talkative, unable to keep secrets'. Implies rashness in speech.
無謀 emphasizes recklessness and disregard for danger. 軽率 focuses on carelessness and lack of thought. 衝動的 highlights acting on impulse. Choose based on the nuance you want to convey.
Reckless driving causes accidents.
I angered him with a careless remark.
I impulsively handed in my resignation.
The English word 'rash' can mean 'skin irritation' (発疹) or 'hasty'. Do not use 発疹 to describe a person. Use the adjectives above.
She regretted her rash decision.
Formal/written style.
That rash person always causes accidents.
She is a rash person, so I can't entrust her with important tasks.
He is a rash person who always jumps to conclusions.
His rash personality led to failure.
Rash people tend to fail easily.
He is a rash person who acts without considering the consequences.
That rash person made another gaffe.
He is a rash person, so you shouldn't tell him important things.