1. inappropriate
Politicians are always censured for outrageous or inappropriate behavior.
Why are they inappropriate?
Don't make calls in inappropriate places.
Stop inappropriate content the moment it is posted.
We're deeply sorry for the inappropriate remark earlier.
He laughed loudly, which behavior seemed inappropriate.
Talking over the phone is inappropriate at work.
The joke he made was inappropriate.
Your comments were inappropriate.
it's inappropriate behavior
It is considered inappropriate to wear torn jeans to church.
His casual behaviour was wholly inappropriate for such a formal occasion. I think it would be inappropriate (for you) to invite her to a party so soon after her husband's death.
This outfit is inappropriate for this occasion.
It would be inappropriate for me to comment, without knowing the facts.
Nazi comparisons are inappropriate in every situation.
2. inappropriately
She was inappropriately dressed for a funeral.
3. incongruously