BOOM Antonyms There are 5 antonyms of the word boom. (opposite meanings)Did you mean?Definition of BOOMSynonyms of BOOMAlso try opposite words for..boomsboomedboomingBest Opposite Words For BOOMTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1bustverb, nounv, n2collapseverb, nounv, n3declineverb, nounv, n4diminishverbv5recessionnounn Alternatives for BUST Words (16)breaktearbingeboutbrokeburstfizzleflopnickraidruptureskintsnapstone-brokestony-brokewearPhrases (3)fall apartfemale chestwear outOpposite words for bust Alternatives for COLLAPSE Words (10)breakburstcrashcrumblecrumpleflopfoundergiveprostrationtumblePhrases (6)break downbreak upcave incrock upfall ingive wayOpposite words for collapse Alternatives for DECLINE Words (25)refuserejectdenydisapprovedismissrebuffrepelrepudiaterepulsesnubspurnvetowithholddeclinationcorrectdecaydeclensiondeclivitydescentdiminutiondownslopefallslumpwaneworsenPhrases (3)turn downgo downpass upOpposite words for decline Alternatives for DIMINISH Words (22)decreaselessenabateattenuatecontractcurtaildeclinedepletedownsizedwindlefadeimpoverishlowerminimizemitigatereduceshrinksubsidewaneweakenbelittlefallOpposite words for diminish Alternatives for RECESSION Words (8)cornernicheprocessionrecedingrecessrecessionalreturnwithdrawalPhrases (1)ceding backOpposite words for recession