Antonyms for boom

loud sound; crash:

loss, collapse, failure.

prosperity:

decrease, lessening, shrinkage, decline, stagnation, Diminishment.

crash; make loud sound:

falter, fix, lose, fail, mend, praise.

prosper:

halt, shrivel, compress, stunt, weaken, shrink, contract, cease, stop, lower, lessen, languish.

Paraphrases for Boom:

- lowest relevancy
- medium relevancy
- highest relevancy