Occurring or done at an inappropriate time; inopportune.(adjective)
Occurring too soon; premature: an untimely death. (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 "untimely" in a sentence
"Apply that rule to drugs and possession of automobiles, and the resulting reduction in untimely death would be measurable."
"We're getting our chances, but we're missing open nets or I'm letting in untimely goals."
"Authorities are investigating the infant boy's death, which at this point is classified as "untimely," according to Police Chief Jason Lavoie."