on alert

ɒn əˈlɜːrt

Definition

Definition of on alert - Reverso English Dictionary

Adjective

vigilantwatchful and ready to respond

The guards were on alert for any suspicious activity.

vigilant

watchful

readyprepared for potential danger

Residents were on alert due to the approaching storm.

vigilant

watchful

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Expressions with alert

spoiler alert

notice to avoid plot spoilers

She gave a spoiler alert before discussing the book's twist.

red alert

highest readiness condition in a crisis response system

The hospital went on red alert after the earthquake.

on high alert

adj.

prepared for immediate action or danger

The hospital was on high alert after the earthquake.

on the alert

adj.

watchful and ready to respond to danger

The guards remained on the alert all night.

on red alert

adj.

extremely ready and watchful for danger or emergency

The hospital staff was on red alert during the storm.

heads up alert

advance warning of something

The manager gave a heads up alert about the upcoming meeting.

Terms with on alert included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.

notification area

screen controls

place on bar showing app symbols, updates and alert messages

standdown

relaxation

break from being on high alert

Examples of on alert in a sentence

The soldiers remained on alert throughout the night.
The guards were on alert all night.
The soldiers remained on alert during the mission.

View all translations of on alert

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

French:en alerte, prêt, ...
German:auf der Hut, bereit, ...
Italian:vigile, ...
Spanish:en alerta, preparado, ...
Portuguese:vigilante, alerta, ...
Chinese:警惕, 戒备, ...
Japanese:警戒している, 準備ができている, ...
Arabic:متأهب, في حالَة تَأَهُّب, ...
Hebrew:דָּרוּךְ, בְּכוֹנָנוּת, ...
Russian:бдительный, готовый, ...
Ukrainian:на сторожі, готовий, ...
Hindi:सतर्क, सावधान, ...
Bengali:সতর্ক, প্রস্তুত, ...
Catalan:en alerta, ...
Czech:ostražitý, v pohotovosti, ...
Danish:på vagt, beredt, ...
Dutch:waakzaam, paraad, ...
Greek:σε επιφυλακή, ετοιμοπόλεμος, ...
Hungarian:riadókész, riadókészültségben lévő, ...
Khmer:ប្រុងប្រយ័ត្ន, ត្រៀមខ្លួនជាស្រេច, ...
Korean:경계하는, 대기 중인, ...
Persian:هوشیار, در حالت آماده‌باش, ...
Polish:czujny, w pogotowiu, ...
Portuguese (BR):vigilante, alerta, ...
Romanian:vigilent, pregătit, ...
Swedish:på vakt, i beredskap, ...
Thai:ตื่นตัว, เตรียมพร้อม, ...
Turkish:tetikte, hazır, ...
Vietnamese:cảnh giác, sẵn sàng, ...

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Definition of on alert - Reverso English Dictionary

Adjective

Expressions with alert

Terms related to on alert

Terms with on alert included in their meaning

Examples of on alert in a sentence

View all translations of on alert

Discover how Reverso redefines the dictionary

Go beyond “simple words”

Get more than a simple definition

Go from understanding to mastery