At the same time vs Meantime

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

At the same time

Top 2,000 (common)

Meantime

Top 2,000 (common)C1noun
 At the same timeMeantime
Pronunciation🇬🇧 //æt ðə seɪm taɪm//🇺🇸 //æt ðə seɪm taɪm//🇬🇧 /["/ˈmiːntaɪm/"]/🇺🇸 /["/ˈmiːntaɪm/"]/
MeaningOccurring simultaneously or together.The time in between two events.
ExampleThey left the house at the same time.I'm changing my email address but for the meantime you can use the old one.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR level-C1
Part of speechnoun
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 timein the meantime, in the meantime period, use the meantime
Antonyms-future, later, afterward
Common mistakesConfusing 'at the same time' with 'at the same moment'., Using it with only one subject., Placing it incorrectly in the sentence.Using 'meanwhile' incorrectly instead of 'meantime'., 'Meantime' is often used with 'in the meantime', which can confuse learners.
Usage notesUse when describing events happening together. Avoid in very formal contexts; more suitable for everyday conversations.Use 'meantime' to refer to the time between two events. It's neutral, suitable for both informal and formal situations, but avoid it in very formal writing.

See it in real clips

At the same time
Meantime

Frequently asked questions: At the same time vs Meantime

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

At the same time: Occurring simultaneously or together. Meantime: The time in between two events.

Can you show an example of each?

At the same time: They left the house at the same time. Meantime: I'm changing my email address but for the meantime you can use the old one.

Can I use At the same time and Meantime interchangeably?

Not always. At the same time and Meantime 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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