n., pl., -dies.
A rough, disorderly person.
adj., -di·er, -di·est.
Disorderly; rough: rowdy teenagers; a rowdy beer party.
[Probably from ROW3.]
rowdily row'di·ly adv.rowdiness row'di·ness n.
rowdyism row'dy·ism 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.