English Reference

Word

booming

Phoneticsboom·ing, stress on the first syllable

US/ˈbumɪŋ/

UK/bˈuːmɪŋ/

Definitions

01successful and growing

B2 · Upper Intermediate

adj. growing very quickly and being very successful, especially in business or the economy.

adj. characterised by rapid economic growth, prosperity, or high demand.

“The city has a booming tech industry that attracts thousands of new workers.”

“Despite the global downturn, the local housing market remained booming due to a chronic undersupply of suburban family homes.”

02loud and deep sound

B2 · Upper Intermediate

adj. a sound that is very loud, deep, and echoes.

adj. having a loud, deep, and resonant quality, often used to describe voices or explosions.

“The captain shouted orders in a booming voice that everyone could hear.”

“His booming baritone filled the concert hall even without the assistance of a microphone.”

Synonyms

03a deep roaring sound

C1 · Advanced Uncountable noun Literary

n. the act of making a deep, loud, hollow sound.

n. the production of a deep, resonant, or roaring sound.

“The booming of the distant cannons kept the villagers awake all night.”

“The rhythmic booming of the surf against the cliffs provided a constant soundtrack to their stay at the coastal cottage.”

Synonyms

reverberationrumbling

Real-World Examples

“During this time, the state’s prison population grew more than sevenfold, booming from about 160 in 1876 to more than 1,200 in 1908.”
The Conversation 28 Aug 2026
“Small wonder, then, that the disaster holiday has become a booming subgenre in fiction.”
The Guardian 11 Aug 2026

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference