boom

1. 1.

   make a resonant sound, like artillery

   “His deep voice boomed through the hall”

   Synonymsdin

   Broadersound
2. 2.

   hit hard

   “He smashed a 3-run homer”

   Synonymssmashnailblast

   Broaderhit
3. 3.

   be the case that thunder is being heard

   “Whenever it thunders, my dog crawls under the bed”

   Synonymsthunder
4. 4.

   make a deep hollow sound

   “Her voice booms out the words of the song”

   Synonymsboom out

   Broadersound
5. 5.

   grow vigorously

   “The deer population in this town is thriving”

   “business is booming”

   Synonymsthriveflourishexpand

   Broadergrow

   Narrowerreviveluxuriate

Other forms of boom

plural

booms·

past tense

boomed·

present participle

booming·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about boom

What does boom mean?

boom means "a deep prolonged loud noise". That is the primary sense; the word has 10 in total, listed in full on this page.

How many syllables are in boom?

boom has 1 syllable: boom. In IPA it is /ˈbum/.

What is another word for boom?

Close synonyms include roar, roaring, thunder, bonanza, gold rush. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is boom a common word?

boom is banded "Common" — everyday vocabulary in speech and writing. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.