Inroaded, a verb, means to make an advance or progress, typically in a hostile or unwelcome direction. Synonyms for inroaded include infiltrated, encroached, penetrated, breached, invaded, trespassed, and infringed. These words suggest a negative connotation and imply an unwarranted entry into an area or domain. Other synonyms for inroaded are less severe and may not carry the same negative connotation. They include advancement, headway, progress, and impetus. These words imply a positive or neutral advancing or making progress towards a goal or objective. It's essential to understand the context of the situation to choose the most appropriate synonym for inroaded.