Not agitated; calm. See Synonyms at cool.(adjective)
Regular and smooth, as the surface of water.(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 "unruffled" in a sentence
"But he went his way in unruffled quiet, and as long as he stood well with the King let the rest go."
"(Of course, it’s easy to remain unruffled when the bypassed book is published by another divison.) I pointed the reviewer to my company’s media contact page for future reference and went about my day."
"Where McCain went wild and erratic at the height of the financal crisis last month, I suspect that Fred would have out Obamad Obama and remained calm, unruffled - in other words he would have projected leadership."