The antonyms for the word "cleans upon" are numerous and varied, ranging from words that convey the opposite of cleanliness, such as dirty, grimy, or filthy, to words that suggest an absence of cleaning altogether, like untouched, neglected, or unkempt. Other antonyms might include words that suggest disorder, such as messy or disorganized, or words that connote a lack of purification, such as stained or contaminated. Regardless of the specific antonym chosen, it is clear that the opposite of cleansing upon is a state of dirtiness, disarray, or lack of attention to cleanliness.