The word "wast dilatory" can be described as procrastinating or delaying something intentionally. However, there are several antonyms to this phrase, such as "swift," "prompt," "expeditious," and "hasty." These words portray a sense of urgency, and they imply that something must be done quickly and efficiently. "Swift" means rapidity, and promptness shows that something is done without delay. "Expeditious" generally refers to completing a task in a timely manner, while "hasty" often implies acting quickly without thought. Antonyms to wast dilatory are useful in communicating the importance of time management and executing tasks efficiently without putting them off.