ill-mannered

Having bad manners; impolite.

Japanese Meaning

無礼な / 礼儀知らずの / 下品な

The ill-mannered guest interrupted the dinner conversation with loud complaints.

マナーの悪い客は大声で文句を言って夕食の会話を遮った。

Sense（1）

Having bad manners; impolite.

He was extremely ill-mannered and caused offence wherever he went.

more ill-mannered

（ comparative ）

most ill-mannered

（ superlative ）