Difficult or impossible to discipline, control, or rule.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unruly" in a sentence
"Principal Hector Espinoza has taken the unusual step of canceling the final seven games of the Cougars season after the team had engaged in what he called unruly behavior during competition."
"It acts as a kind of palimpsest over which the literary writer might inscribe his/her own variations on "criminal" behavior and its sources in unruly human impulses."
"She looked at his hands, the backs of which were covered in unruly black hair."