zero hour

ˈzɪərəʊ ˈaʊə

Definition

Definition of zero hour - Reverso English Dictionary

Noun

event starttime when something important is planned to start

The zero hour for the launch is 6 a.m.
They set the zero hour for the operation at midnight.
By zero hour, all team members were in position.

kickoff

launch time

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Expressions with zero hour

💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.

at zero hour

adv.

at the exact time something is planned to start

The operation will commence at zero hour.

Expressions with zero

ground zero

starting point of an event or process

The project was developed from ground zero.

zero chill

inability to stay calm or rational

He has zero chill when he's excited.

zero in

narrow down a search successfully

They zeroed in on the missing document.

year zero

the start of revolutionary change

The country declared year zero after the uprising.

at zero hour

adv.

at the exact time something is planned to start

The operation will commence at zero hour.

big fat zero

complete absence or failure of something

After all that effort, we got a big fat zero.

Expressions with hour

rush hour

period with most people traveling to or from work

The subway is packed during rush hour.

amateur hour

situation showing lack of skill or professionalism

The meeting was a complete amateur hour.

eleventh hour

the last possible moment to act

They submitted the report at the eleventh hour.

power hour

period of intense activity or focus

During power hour, everyone in the office works without interruptions.

on the hour

adv.

at exactly the start of an hour

The train departs on the hour every day.

bottom of the hour

the time exactly 30 minutes past the hour

The meeting starts at the bottom of the hour.

woman of the hour

woman being celebrated, honored, or admired at an event

She was the woman of the hour at the party.

hero of the hour

person celebrated for a recent achievement

After saving the cat, he was the hero of the hour.

actress of the hour

actress currently receiving a lot of attention

She is the actress of the hour after her latest movie release.

at zero hour

adv.

at the exact time something is planned to start

The operation will commence at zero hour.

View all translations of zero hour

✨Click below to see the appropriate translations facing each meaning.

French:heure H, ...
German:Nullstunde, ...
Italian:ora X, ...
Spanish:hora cero, ...
Portuguese:hora zero, ...
Chinese:行动开始时刻, ...
Japanese:決行時刻, ...
Arabic:سَاعَة الصِّفْر, ...
Hebrew:שְׁעַת הָאֶפֶס, ...
Russian:час икс, ...
Ukrainian:нульова година, ...
Hindi:शून्य घड़ी, ...
Bengali:শুরু সময়, ...
Catalan:hora zero, ...
Czech:hodina H, ...
Danish:nulpunkt, ...
Dutch:uur nul, ...
Greek:ώρα μηδέν, ...
Hungarian:időpont, ...
Khmer:ម៉ោងចាប់ផ្តើម, ...
Korean:시작 시각, ...
Persian:ساعت صفر, ...
Polish:godzina zero, ...
Portuguese (BR):hora zero, ...
Romanian:ora zero, ...
Swedish:nolltimme, ...
Thai:เวลานัดหมายสำคัญ, ...
Turkish:sıfır saati, ...
Vietnamese:giờ G, ...

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Definition of zero hour - Reverso English Dictionary

Noun

Expressions with zero hour

Expressions with zero

Expressions with hour

Terms related to zero hour

View all translations of zero hour

Discover how Reverso redefines the dictionary

Go beyond “simple words”

Get more than a simple definition

Go from understanding to mastery