Translation guide
Describes someone who behaves rudely or lacks good manners, often due to poor upbringing. Japanese expressions range from direct insults to softer, indirect phrases.
To describe someone as generally rude, impolite, or lacking basic manners.
A common and versatile word meaning 'rude' or 'impolite'. Can be used as a noun or na-adjective.
To describe someone as crude, vulgar, or lacking refinement, often in speech or behavior.
Means 'vulgar', 'crude', or 'coarse'. Often used for speech or behavior that is low-class.
To imply that someone's rudeness stems from a bad upbringing.
Literally 'bad upbringing'. Directly attributes poor manners to how someone was raised.
Phrases like 育ちが悪い directly criticize upbringing and can be very offensive. Use with caution, or opt for softer expressions like 礼儀を知らない.
彼はとても失礼な人だ。
He is a very ill-bred person.
Means 'impolite' or 'discourteous', often implying a lack of respect. Slightly more formal than 失礼.
Don't take an ill-bred attitude.
Literally 'doesn't know manners'. A descriptive phrase that avoids direct insult.
He is ill-bred.
Please stop making ill-bred jokes.
Means 'unrefined', 'boorish', or 'uncouth'. Slightly old-fashioned and often used for lack of sophistication.
I was surprised by his ill-bred behavior.
That child says things like that because he is ill-bred.
Means 'poorly disciplined' or 'not properly brought up'. Often used about children or young people.
The number of ill-bred young people is increasing.