Thesaurus

zero hour

noun

Synonyms of zero hour

a time or state of affairs requiring prompt or decisive action
  • we're at the zero hour, so someone has to make a decision

Synonyms for zero hour

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Time Traveler for zero hour

Time Traveler

The first known use of zero hour was in 1915

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“Zero hour.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/zero%20hour. Accessed 21 Sep. 2020.

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