The word "longdelayed" refers to something that has been postponed for a considerable period of time. Its antonyms are words that convey the opposite meaning. For instance, "prompt," "timely," and "immediate" denote actions that are carried out without any delay. Similarly, "expedited," "accelerated," and "hurried" express a sense of urgency and speed in completing a task. Other antonyms for "longdelayed" include "quick," "snappy," "instant," and "swift." These words suggest a sense of efficiency, promptness, and urgency that can help individuals achieve their goals and meet obligations in a timely manner.