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Definition of boom verb from the Oxford Advanced Learner's Dictionary

boom

verb
 
/buːm/
 
/buːm/
Verb Forms
present simple I / you / we / they boom
 
/buːm/
 
/buːm/
he / she / it booms
 
/buːmz/
 
/buːmz/
past simple boomed
 
/buːmd/
 
/buːmd/
past participle boomed
 
/buːmd/
 
/buːmd/
-ing form booming
 
/ˈbuːmɪŋ/
 
/ˈbuːmɪŋ/
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    make loud sound

  1. [intransitive] to make a loud deep sound
    • Outside, thunder boomed and crashed.
    Extra Examples
    • Loud music boomed from the public-address system.
    • A crash of thunder boomed so loudly that the floor shook.
    • The ship's gun boomed and the shot fell only a hundred metres away.
  2. [transitive, intransitive] to say something in a loud deep voice
    • + speech ‘Get out of my sight!’ he boomed.
    • boom (out) A voice boomed out from the darkness.
    • A voice from the loudspeaker boomed out, ‘Good evening, ladies and gentlemen’.
    • He had a booming voice.
  3. of business/economy

  4. [intransitive] to have a period of rapid growth; to become bigger, more successful, etc.
    • By the 1980s, the computer industry was booming.
    • Business is booming!
    Extra Examples
    • The club scene was booming.
    • Tourist numbers have boomed in recent years.
    Topics Successc1, Moneyc1
  5. Word Originverb senses 1 to 2 late Middle English (as a verb): ultimately imitative; perhaps from Dutch bommen ‘to hum, buzz’. verb sense 3 late 19th cent. (originally US): probably from boom ‘a loud sound’.
See boom in the Oxford Advanced American DictionarySee boom in the Oxford Learner's Dictionary of Academic English
previously
adverb
 
 
From the Word list
Oxford 3000
B1
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