clean 2 antonyms and opposites of clean. Adj — Free of dirt, stains, or other unwanted matter. Synonyms for clean clean as a bean clean as a hound's tooth clean as a new penny clean as a whistle clean as a new pin immaculate pristine spick-and-span spotless squeaky clean stainless unsoiled unsullied Antonyms for clean dirty unclean ← Back to the full definition of clean
