The antonyms for the phrase "cleaned one act" are "dirty multiple acts" or "uncleaned repeated actions". These phrases describe the opposite of the concept of having a single, purified action. "Dirty multiple acts" denotes a series of inappropriate and unsanitary actions, while "uncleaned repeated actions" suggests a repeated failure to maintain cleanliness. Antonyms can shed light on the negative aspects of certain concepts, and in this case, show the importance of upholding cleanliness and purity in our actions. By utilizing antonyms, we can gain a deeper understanding of a word's meaning and its impact on our daily lives.