1. expresses disapproval or judgment that something is not suitable, proper, or fitting for a particular context or situation
It is inappropriate that he spoke during the ceremony.
É inapropriado que ele tenha falado durante a cerimônia.
2. indicates that an action, behavior, or statement violates social, professional, or moral standards
It is inappropriate that such language is used in a formal meeting.
É inapropriado que tal linguagem seja usada em uma reunião formal.