Interested and involved: sent a memorandum to those concerned. (adjective)
Anxious; troubled: the concerned parents of youthful offenders. (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 "concerned" in a sentence
"AN Irish counsel being asked by the judge for whom was he concerned, replied, "I am _concerned_ for the plaintiff, but I'm _retained_ by the defendant.""
"Palmer was on his feet in a second, his expression concerned and confused."
"His voice was smooth, his expression concerned when he spoke to the cop."