Answer: boom

AnswerCrossword Clue
BOOMBig bang
BOOMArtillery sound
BOOMEconomic upswing
BOOMBust alternative
BOOMGood economic news
BOOMBust's antithesis
BOOMProsperous time
BOOMFireworks feature
BOOMGood news for the economy
BOOMGunshot sound
BOOMMicrophone holder
BOOMPeriod of economic growth
BOOMStretch of good results
BOOMRapid upsurge in prosperity
BOOMSound heard on the Fourth of July
BOOMExplosive sound
BOOM"Bam!"
BOOMDynamite sound
BOOMSwinging part of a sailboat
BOOMHorizontal spar
boomrapid economic development
BOOMGood time
BOOMBust's opposite
BOOMProsperous period
BOOMPeriod of great growth
BOOMEconomic upturn
BOOMSound of thunder
BOOMUp time
BOOMProsperity
BOOMGrowth period
BOOMMike support
BOOMBaby ..
BOOMHigh time
BOOMThriving time
BOOMCrane component
BOOMPeriod of prosperity
BOOMSurge in sales
BOOMHiring may accompany one
BOOMRapid economic expansion
BOOM"Kablooie!"