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rambunctious

[ram-buhngk-shuh s]
adjective
  1. difficult to control or handle; wildly boisterous: a rambunctious child.
  2. turbulently active and noisy: a social gathering that became rambunctious and out of hand.
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Origin of rambunctious

An Americanism dating back to 1820–30; origin uncertain
Related formsram·bunc·tious·ly, adverbram·bunc·tious·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for rambunctiously

rambunctious

adjective
  1. informal boisterous; unruly
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Derived Formsrambunctiously, adverbrambunctiousness, noun

Word Origin for rambunctious

C19: probably from Icelandic ram- (intensifying prefix) + -bunctious, from bumptious
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rambunctiously

rambunctious

adj.

1859, earlier rumbunctious, 1830, probably altered (by influence of ram) from rumbustious.

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Online Etymology Dictionary, © 2010 Douglas Harper