Antonyms for the word "procrastination" include punctuality, haste, promptness, and diligence. When one shows punctuality, they arrive on time or earlier than expected, and they work efficiently without wasting any time. Haste also means working quickly but carefully, without delaying any task. Promptness refers to quickly responding to a call for action, finishing tasks in due time, and meeting deadlines. Lastly, diligence represents the quality of staying focused and giving one's best effort towards a goal or task. These antonyms provide a different perspective on how one should approach their work and make it clear that delaying or procrastinating is never an efficient way of working.