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 "unconcern" in a sentence
"Ignore it deliberately, as a kitten stalks away with feigned unconcern from a suddenly tedious cotton-reel, in the hope that, seen afresh from the other side of the room, it will turn once more into a mouse."
"That evidence of their essential "unconcern" was established by interviews and reported in Alice Kimball Smith's A Peril and a Hope: The Scientists 'Movement in America, 1945-1947 (MIT Press, 1970, pp. 60-61.)"
"Kevles's history almost entirely ignores both the "unconcern" of the majority and the "concern" of the minority."