clean up vs dirty

clean up

verb
  • To make an area or a thing clean; to pick up a mess; to tidy. 

  • To make a large profit; to win by a large margin, or to win a large amount, especially in gambling. Also clean house. 

  • To intervene in a fight between two players at low health and easily kill both of them or the winner. 

  • To become clean, handsome, smart in appearance, e.g. for a special occasion, especially when it is out of character to be seen as such. 

dirty

verb
  • To make (something) dirty. 

  • To debase by distorting the real nature of (something). 

  • To stain or tarnish (somebody) with dishonor. 

  • To become soiled. 

adj
  • Containing data needing to be written back to memory or disk. 

  • Unclean; covered with or containing unpleasant substances such as dirt or grime. 

  • Dishonourable; violating accepted standards or rules. 

  • Corrupt, illegal, or improper. 

  • Having the undercarriage or flaps in the down position. 

  • Morally unclean; obscene or indecent, especially sexually. 

  • Carrying illegal drugs among one's possessions or inside of one's bloodstream. 

  • Sleety; gusty; stormy. 

  • Of an alcoholic beverage, especially a cocktail or mixed drink: served with the juice of olives. 

  • Of color, discolored by impurities. 

  • Spreading harmful radiation over a wide area. 

  • Of food, indulgent in an unhealthy way. 

  • That makes one unclean; corrupting, infecting. 

  • Out of tune. 

  • Used as an intensifier, especially in conjunction with "great". 

adv
  • In a dirty manner. 

How often have the words clean up and dirty occurred in a corpus of books? (source: Google Ngram Viewer )