Zero hour

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Synonym of H-hour.

    "I waited with occasional glances at my watch until the zero hour should arrive."

  2. 2
    the time set for the start of an action or operation wordnet

Synonyms

All synonyms
a-daycharged momentcontingencycrisiscritical momentcrosspatch

Example

More examples

"I waited with occasional glances at my watch until the zero hour should arrive."

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