adj.
Boisterous and disorderly.
[Probably alteration of robustious, rumbustious, from ROBUST.]
rambunctiously ram·bunc'tious·ly adv.rambunctiousness ram·bunc'tious·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
