Translation guide
The English word 'prudent' describes careful, sensible behavior that avoids unnecessary risks. In Japanese, this concept is expressed through various adjectives, verbs, and phrases that emphasize caution, discretion, and foresight.
Describing a person or action that is cautious and sensible, especially in practical matters.
The most direct and common translation for 'prudent' when referring to careful, deliberate behavior. Used for both people and actions.
彼は慎重な運転手だ。
He is a prudent driver.
A prudent decision is necessary.
Emphasizes being watchful and cautious against potential dangers. Slightly more about vigilance than planning.
用心深い投資家はリスクを避ける。
A prudent investor avoids risks.
Conveys solid, steady, and reliable prudence, often used for financial matters or lifestyle.
堅実な計画を立てよう。
Let's make a prudent plan.
Describing a person or decision that shows wisdom and foresight, often in managing resources or affairs.
Means 'wise' or 'sensible', often used for decisions or actions that are prudent in hindsight.
賢明な選択だった。
It was a prudent choice.
賢明な人は無駄遣いをしない。
A prudent person does not waste money.
Literally 'having discernment', implies mature, prudent judgment. Often used for people.
分別のある大人ならそんなことはしない。
A prudent adult would not do such a thing.
Describing someone who is careful about what they say, keeping confidences and avoiding gossip.
An idiomatic phrase meaning 'tight-lipped' or 'discreet'. Used for someone who can keep a secret.
彼女は口が堅いから安心して話せる。
She is prudent, so I can talk to her without worry.
Also used for being careful with words, though broader.
彼は発言に慎重だ。
He is prudent in his remarks.
Describing careful management of money or resources, avoiding waste.
慎重な (shinchou na) is the most general term for 'prudent' and can apply to any careful, deliberate behavior. 用心深い (youjinbukai) specifically emphasizes being on guard against potential dangers or risks, like a cautious animal or a security-conscious person.
There is no single Japanese word that covers all nuances of 'prudent'. Choose the expression based on the specific meaning: carefulness, wisdom, discretion, or thrift.