Dictionary.com
definitions
  • synonyms

when least expected

When something is not awaited, as in My brother always calls when least expected, or You might know that the furnace would break down when least expected—we just had it overhauled.

Show More
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.