1. to behave or act in a manner that shows a lack of respect or courtesy toward someone or something
It is disrespectful to interrupt someone while they are speaking.
É desrespeitoso interromper alguém enquanto está falando.
2. to show contempt or rudeness toward a person, institution, or value
Speaking to your elders that way is disrespectful.
Falar com seus mais velhos dessa forma é desrespeitoso.