Unfavorable; inauspicious: arrived at an unpropitious moment. (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 "unpropitious" in a sentence
"In the wake of the near collapse of the euro in 2011, many economists considered 2012 an unpropitious year to launch Africa's single currency."
"In any case, the tainted election and the murderous suppression of protest that followed made an unpropitious setting for the passage from a greeting on the air to a toe in the water of negotiations."
"This would seem like unpropitious territory for a candidate who favours eliminating the minimum wage, privatising social security on which the elderly rely, and paring government down to its bare essentials."