impertinent
🇺🇸
/ɪmˈpɜːrtnənt/
🇬🇧
/ɪmˈpɜːtɪnənt/
Showing a lack of respect or politeness, especially to someone older or of higher authority.
The student's impertinent remark angered the teacher.
学生の無礼な発言が先生を怒らせてしまった。