Owning up is a term that is often used to describe the act of taking responsibility for one's actions or mistakes. Antonyms for owning up include denying, avoiding, and blaming others. When someone denies responsibility, they refuse to acknowledge their role in a situation. Avoiding responsibility involves trying to escape any repercussions or consequences for one's actions. Blaming others means shifting the blame onto someone else, rather than taking responsibility for one's actions. While it is natural to want to avoid admitting to one's mistakes, owning up can be a valuable tool for personal growth and accountability.