improper
🇺🇸
/ɪmˈprɑːpər/
🇬🇧
/ɪmˈprɒpə(r)/
Not honest or morally right.
It's improper to take something that doesn't belong to you.
Not suitable or fitting for a certain situation.
It would be improper to wear jeans to a wedding.
Incorrect or not following the rules.
Using the software in an improper way can cause problems.