Pronunciation: /ˈziːroʊ ˈaʊər/

Definitions of zero hour

noun the time at which a crucial decision or event must be made

Example Sentences

A1 I have to wake up at zero hour tomorrow for my flight.

A2 In military terms, zero hour is the time when a military operation begins.

B1 The team worked tirelessly until zero hour to finish the project on time.

B2 Zero hour is often a stressful time for emergency responders as they prepare for a crisis.

C1 As the CEO, I had to make tough decisions at zero hour to save the company from bankruptcy.

C2 The negotiators reached a deadlock at zero hour, leading to a breakdown in the peace talks.

Examples of zero hour in a Sentence

formal The zero hour for the project deadline is approaching, we need to work efficiently to meet it.

informal We're down to zero hour on finishing the assignment, let's get it done!

slang It's zero hour and we still haven't started studying for the exam, we're in trouble.

figurative At zero hour, he finally made the decision to change his career path and pursue his passion.

Grammatical Forms of zero hour

plural

zero hours

comparative

more zero hour

superlative

most zero hour

present tense

zero hour

future tense

will be zero hour

perfect tense

has been zero hour

continuous tense

is being zero hour

singular

zero hour

positive degree

zero hour

infinitive

to zero hour

gerund

zero houring

participle

zero houred

Origin and Evolution of zero hour

First Known Use: 1917 year
Language of Origin: English
Story behind the word: The term 'zero hour' originated in military terminology to refer to the moment when a military operation is scheduled to begin.
Evolution of the word: Over time, 'zero hour' has come to be used more broadly to indicate the starting point or critical moment of any event or action, not just limited to military operations.