ploughed (Adjective) — (of farmland) broken and turned over with a plough. ex. "ploughed fields"
ploughed (Verb) — (farming) to break and turn over earth especially with a plough. ex. "Farmer Jones ploughed his east field last week"
ploughed (Verb) — Act on verbally or in some form of artistic expression.
ploughed (Verb) — Move in a way resembling that of a plough cutting into or going through the soil. ex. "The ship ploughed through the water"