Not prepared in advance; impromptu: an off-the-cuff remark. (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 "off-the-cuff" in a sentence
""Nobody should be forced to pay for anyone else's healthcare," is her off-the-cuff final answer."
"“Pure process, pure process,” he repeated to himself, under his breath, as though he was taking this off-the-cuff throwaway remark (meant to both fill the time and put him off) as something “profound.”"
"Anyhow … I love this post (and not just because of the inclusion in the ensemble) … my absolute favourite thought is the ‘little snippets of off-the-cuff, unrehearsed interaction that by themselves mean nothing, but which all together paint a surprisingly vivid picture.’."