Out-and-out is an expression that implies something being complete or absolute. This phrase is often used to indicate a person's character trait, behavior, or attitude, and it can be substituted with synonyms to alter its impact. Some suitable alternatives for out-and-out include outright, utter, absolute, thoroughgoing, complete, total, and unequivocal. These synonyms can emphasize the degree of the quality being described. For instance, the term "utter" emphasizes the extreme nature of something, while "complete" implies that something is comprehensive and all-encompassing. Hence, the use of synonyms for out-and-out can express a range of emotions and impressions and can help writers be more specific and effective in their language usage.