Done or occurring at an inappropriate time; untimely.(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-timed" in a sentence
"U.S. Secretary of Defense Robert Gates called on NATO allies and other nations with troops in Afghanistan not to make what he called "ill-timed, precipitous, or uncoordinated" withdrawals after the United States begins its gradual drawdown in July."
"He has said he would limit himself to teaching if he returned, and his spokeswoman rejected the notion his return would be ill-timed."
"Or the purposely ill-timed Spirit Airlines ads about oil on the beaches of the Gulf Coast?"