when least expected

1. 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.

Example Sentences

Titled “The Head,” it concerns a ghastly visage composed of flushed waste that doggedly pops up out of the toilet when least expected.

Read more on Seattle Times

Dynamics often change when least expected.

Read more on Washington Post

Part of the event’s lore — as with all rivalry games — is when the more downtrodden of the two teams rises up when least expected to wreak havoc on the other’s sky-high aspirations.

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Drawing the viewer's eyes away to one thing, while setting up big surprises to pop out when least expected.

Read more on Salon

Light, the archbishop said, had "shone brightly in dark times and hope has sprung up when least expected".

Read more on BBC