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English definition of “boom”

boom

verb [I] (GROW)    /buːm/
to increase or become successful and produce a lot of money very quickly: often in continuous tenses The leisure industry is booming.Making progress and advancingBecoming better booming     /ˈbuː.mɪŋ/ adjective a booming voiceNoise and noisy
(Definition of boom verb (GROW) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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