when least expected

when least expected idiom
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.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.