The phrase “zero hour” has 3 syllables: ze-ro hour
It's pronounced as /ˈziːroʊ ˈaʊər/
What is synonym and antonym for zero hour?
In the thesaurus, “zero hour” has 59 synonyms.
Here are synonyms for zero hour along with examples of usage in sentences.
On this page you'll find 59 synonyms or another words to zero hour, such as: A-day, D-day, Dunkirk, H-hour, appointed hour, boiling point, breaking point.
Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.