Retiring means the act of leaving a job or withdrawing from an activity. Some suitable antonyms for the word "retiring" include active or engaged. People who stay active and engaged, either in their work or personal life, are known to be more energetic and enthusiastic about their tasks. Another antonym for retiring can be outgoing, which means someone who is social and enjoys spending time with people. A person who is not retiring can also be described as extroverted or vivacious, which means they have lively, energetic personalities. A person who is not retiring does not shy away from social interactions or new challenges, and they have a zest for life that keeps them moving forward.