De-laying refers to the act of delaying or postponing something. The antonyms for de-laying would be to expedite, hasten, or accelerate. These words all refer to the idea of speeding up a process rather than slowing it down. By using these words, you can convey the opposite meaning of de-laying and emphasize the importance of getting things done quickly and efficiently. For example, if you need to complete a project on a tight deadline, you might tell your team to expedite the process to ensure that it is finished on time. Similarly, you might need to hasten your work if you are falling behind schedule.