Thesaurus
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
Words Related to zero hour
Phrases Synonymous with zero hour
Keep scrolling for more
Learn More About zero hour
Cite this Entry
“Zero hour.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/zero%20hour. Accessed 20 Sep. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Difficult Spelling Words Quiz
-
- Which is the correct spelling?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share zero hour
Time Traveler for zero hour
The first known use of zero hour was in 1915
See more words from the same year