English Reference

Word

rumble

Phoneticsrum·ble, stress on the first syllable

US/ˈɹəmbəɫ/

UK/ɹˈʌmbəl/

Definitions

01a low sound

B2 · Upper Intermediate Countable noun

n. a low, heavy, and continuous sound, like the sound of thunder or a large truck.

n. a low, heavy, continuous sound, often produced by natural phenomena or heavy machinery.

“We heard the distant rumble of thunder just before the rain started.”

“The low rumble of the underground train vibrated through the floorboards of the apartment every twenty minutes.”

Synonyms

reverberationgrumbleboom

02a street fight

C1 · Advanced Countable noun Slang

n. a fight between groups of people, usually in the street.

n. a street fight or brawl, typically involving rival gangs or groups.

“The two rival groups met in the park for a rumble at midnight.”

“Local authorities were concerned that a minor dispute between the youths would escalate into a full-scale rumble.”

Antonyms

03to make a low sound

B2 · Upper Intermediate

v. to make a deep, heavy, continuous sound.

v. to emit a low, heavy, continuous sound; often used intransitively.

“My stomach started to rumble because I hadn't eaten lunch yet.”

“Heavy lorries rumble past the house all night, making it difficult for the residents to sleep soundly.”

04to discover the truth

C1 · Advanced British English · Informal

v. to find out the truth about someone's secret or dishonest plan.

v. to discover or uncover someone's deceitful behaviour or hidden intentions.

“The police finally rumbled his plan to steal the money.”

“He thought he was being clever, but his colleagues soon rumbled what he was actually doing with the company accounts.”

Usage

Often used with 'of' to describe the source of the sound.

Real-World Examples

“The low rumble of a plane flying over London and the wash of a boat under the bridge.”
The Guardian 5 Oct 2026
“Now, new research published in Scientific Reports provides evidence that elephant rumble choruses function as group signals.”
Phys.org 1 Oct 2026

Etymology

From Middle English rumblen, romblen, rummelyn, frequentative form of romen (“to roar”), equivalent to rome + -le. Cognate with Dutch rommelen (“to rumble”), Low German rummeln (“to rumble”), German rumpeln (“to be noisy”), Danish rumle (“to rumble”), all of imitative origin. Compare typologically Russian громи́ть (gromítʹ), погро́м (pogróm), разгро́м (razgróm) (akin to гром (grom), греме́ть (gremétʹ), громыха́ть (gromyxátʹ)). Also compare гро́хнуть (gróxnutʹ) (akin to гро́хот (gróxot)).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

rumble(B2)

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