adverb
- in a boisterous, unruly, or energetically disruptive manner
Usage: informal
Examples
- The children played rumbustiously in the backyard all afternoon.
- He laughed rumbustiously at the comedian’s jokes.
- The party guests celebrated rumbustiously until late into the night.
- The puppies tumbled rumbustiously across the living room floor.
- The crowd cheered rumbustiously when their team scored the winning goal.