The phrase "no buts about it" is commonly used to indicate that there will be no further discussion or argument regarding a particular situation or decision. Some synonyms for this phrase might include "no ifs, ands, or buts," "no questions asked," or "without exception." Other alternatives could be "absolutely not," "unequivocally no," or "categorically denied." These expressions all convey a firm and unwavering stance, leaving little room for negotiation or debate. Whether in personal or professional contexts, using clear and direct language can help to establish boundaries and convey confidence and certainty.