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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Unknown. First use appears c. 1745. The OED indicates: "perhaps an arbitrary formation". Possibly an alteration of rumbustical or rumbustious (“boisterous, noisy”) + Latin -us (“nominative suffix”). The use of the verbal form first appears c. 1839.
commotion, din, ruction, ruckus, tumult
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Classic usage
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