Poorly conceived or planned: an ill-conceived scheme to take over the company. (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 "ill-conceived" in a sentence
"What do you do when your last major show has been drowned out by boos from the stalls, called "ill-conceived and barkingly offensive" by the critics, and banned by the BBC?"
"My friend William Galston, a fellow at the Brookings Institution and a professor at the University of Maryland, observed, When the rules are inadequate, ill-conceived, or poorly enforced, markets malfunction badly, causing great damage."
"There's still a very large possibility that it could become a fiasco, a quagmire, or whatever other term you wish to describe an ill-conceived military adventure."