[ ram-buhngk-shuh s ]
/ ræmˈbʌŋk ʃəs /


difficult to control or handle; wildly boisterous: a rambunctious child.
turbulently active and noisy: a social gathering that became rambunctious and out of hand.

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. 2019

Examples from the Web for rambunctious

British Dictionary definitions for rambunctious


/ (ræmˈbʌŋkʃəs) /


informal boisterous; unruly
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 rambunctious



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

Online Etymology Dictionary, © 2010 Douglas Harper