Alert vs Wake the man up

When to use each in English, with meaning, register, and examples.

Alert

Top 1,000 (very common)C1verb

Wake the man up

Top 2,000 (common)
Most common: Alert
 AlertWake the man up
Pronunciation🇬🇧 /["/əˈlɜːt/","/əˈlɜːts/","/əˈlɜːtɪd/","/əˈlɜːtɪŋ/"]/🇺🇸 /["/əˈlɜːrt/","/əˈlɜːrts/","/əˈlɜːrtɪd/","/əˈlɜːrtɪŋ/"]/🇬🇧 //weɪk ðə mæn ʌp//🇺🇸 //weɪk ðə mæn ʌp//
MeaningAware and paying attention; quick to notice things.Help the man stop sleeping.
ExampleNeighbours quickly alerted the emergency services.I need to wake the man up before breakfast.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelC1-
Part of speechverb
Collocationsstay alert, alert to danger, make someone alert, be alert for signswake someone up, wake up early, wake the person up, wake them up, wake the kids up
Antonymsunaware, distracted, sleepy-
Common mistakes'Alert' used as a noun instead of an adjective., Confused with 'alarmed', which means frightened., Using 'alerts' incorrectly as a verb form.Forget to use 'up' after 'wake'., Confuse 'wake' with 'awaken'., Use 'woke' instead of 'wake' for present actions.
Usage notesUse 'alert' to describe someone who is attentive. It can be used in formal and informal contexts, but avoid using it in very casual conversations.Used in a neutral context when someone is sleeping. It's not suitable for formal situations.

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Wake the man up

Frequently asked questions: Alert vs Wake the man up

What's the difference between Alert and Wake the man up?

Alert: Aware and paying attention; quick to notice things. Wake the man up: Help the man stop sleeping.

Which is more common: Alert and Wake the man up?

Alert is the most common in everyday English.

Can you show an example of each?

Alert: Neighbours quickly alerted the emergency services. Wake the man up: I need to wake the man up before breakfast.

Can I use Alert and Wake the man up interchangeably?

Not always. Alert and Wake the man up are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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