The term 'intruded (on)' can be summarized as encroaching or entering without permission. The related term 'encroached (10 letters)' is defined as to gradually take over or intrude on another's territory, rights, or possessions. This term is often used in the context of a person or group of people entering a space without permission or authority. It can also refer to an individual or group taking advantage of another's resources or rights without permission.