Definition, Meaning & Synonyms
zero-hour
noun
ˈziːroʊ ˈaʊər

Definition
The term ‘zero-hour’ refers to a specific moment when an event is set to start or when certain actions or conditions come into effect.

Examples
- Military Context: The operation began at zero-hour, marking the start of the mission.
- Project Management: We need to be ready by zero-hour to ensure the project’s success.
- Emergency Response: At zero-hour, the team activated the emergency protocols.

Meaning
In a broader context, it can signify a crucial or decisive moment that determines the outcome of a situation.

Synonyms
- start time
- moment of truth
- kickoff