- The definition of rambunctious is disorderly and load and wild.
An example of a rambunctious person is a child who runs around the house screaming and jumping on furniture all day.
A pair of rambunctious children.Licensed from iStockPhoto
Origin: earlier rambustious, altered (prob. by associated, association with ram) from robustious
Used by arrangement with John Wiley & Sons, Inc.
Origin: Probably alteration of robustious, rumbustious, from robust.
- ram·buncˈtious·ly adverb
- ram·buncˈtious·ness noun