At the same time vs Meanwhile

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

At the same time

Top 2,000 (common)

Meanwhile

Top 2,000 (common)B1adverb
 At the same timeMeanwhile
Pronunciation🇬🇧 //æt ðə seɪm taɪm//🇺🇸 //æt ðə seɪm taɪm//🇬🇧 /["/ˈmiːnwaɪl/"]/🇺🇸 /["/ˈmiːnwaɪl/"]/
MeaningOccurring simultaneously or together.At the same time as something else happens.
ExampleThey left the house at the same time.Leave the cake to cool completely. Meanwhile, make the topping.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR level-B1
Part of speechadverb
Collocationsdo two things at the same time, speak at the same time, work at the same time, occur at the same time, feel at the same timemeanwhile, back at the ranch, meanwhile, in another part of town, meanwhile, across the street
Antonyms-afterwards, later
Common mistakesConfusing 'at the same time' with 'at the same moment'., Using it with only one subject., Placing it incorrectly in the sentence.Omitting the comma before 'meanwhile' when used at the beginning of a sentence., 'Meanwhile' is sometimes misused in informal contexts where 'in the meantime' might be more appropriate.
Usage notesUse when describing events happening together. Avoid in very formal contexts; more suitable for everyday conversations.Use 'meanwhile' to connect two actions occurring at the same time, typically in writing or formal speech. Avoid using it in very casual conversations.

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At the same time

Frequently asked questions: At the same time vs Meanwhile

What's the difference between At the same time and Meanwhile?

At the same time: Occurring simultaneously or together. Meanwhile: At the same time as something else happens.

Can you show an example of each?

At the same time: They left the house at the same time. Meanwhile: Leave the cake to cool completely. Meanwhile, make the topping.

Can I use At the same time and Meanwhile interchangeably?

Not always. At the same time and Meanwhile 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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