clean up. tidy and clean. This bedroom must be cleaned up. for profit. We bet and won so much that we cleaned everything up. We can use clean without a particle by using the present simple: I clean the kitchen every day. As an imperative: Clean your room now! As an adjective: Clean lines were drawn on the map. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.