The phrase 'enough already' is a commonly used expression to convey a sense of frustration or dissatisfaction with something. While there are no exact synonyms for this phrase, there are several alternative expressions that can be used to convey the same sentiment. Some of these include 'that's enough', 'stop it', 'no more', 'cut it out', and 'that'll do'. Each of these phrases conveys a sense of finality or completion, indicating that whatever action or behavior is being discussed has reached its limit. Whether you're trying to express frustration with a repetitive task, or trying to put an end to an argument, there are plenty of alternative phrases that can effectively deliver the same message.