The antonyms for the word "boomings" are quite varied and can be defined by several terms such as decline, stagnation, recessions, fall, or shrinkage. When a business, economy or industry experiences boomings, it signifies a time of rapid growth and expansion, but when there is "decline" or "recession," it represents a poor economic situation with a falling influence over a certain time. "Stagnation" refers to a state of inactivity or lack of progress, while "fall" denotes a sudden decrease or decline in something significant. Lastly, "shrinkage" points to the act of getting smaller in size or losing market value in most situations.