Cool MateAt the same time vs In the meantime vs Meanwhile vs Simultaneously
When to use each in English, with meaning, register, and examples.
At the same time
In the meantime
Meanwhile
Simultaneously
| At the same time | In the meantime | Meanwhile | Simultaneously | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 //æt ðə seɪm taɪm//🇺🇸 //æt ðə seɪm taɪm// | 🇬🇧 //ɪn ðə ˈmiːnˌtaɪm//🇺🇸 //ɪn ðə ˈmiːnˌtaɪm// | 🇬🇧 /["/ˈmiːnwaɪl/"]/🇺🇸 /["/ˈmiːnwaɪl/"]/ | 🇬🇧 /["/ˌsɪmlˈteɪniəsli/"]/🇺🇸 /["/ˌsaɪmlˈteɪniəsli/"]/ |
| Meaning | Occurring simultaneously or together. | During a period of time when something is happening. | At the same time as something else happens. | At the same time as something else. |
| Example | They left the house at the same time. | I'll prepare dinner; in the meantime, could you set the table? | Leave the cake to cool completely. Meanwhile, make the topping. | The game will be broadcast simultaneously on TV and radio. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | - | - | B1 | C1 |
| Part of speech | adverb | adverb | ||
| Collocations | do 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 time | in the meantime, stay busy in the meantime, in the meantime activities | meanwhile, back at the ranch, meanwhile, in another part of town, meanwhile, across the street | happen simultaneously, simultaneously occur, perform simultaneously |
| Antonyms | - | - | afterwards, later | sequentially, consecutively, successively |
| Common mistakes | Confusing 'at the same time' with 'at the same moment'., Using it with only one subject., Placing it incorrectly in the sentence. | Using it inappropriately in formal writing without context., Confusing it with 'meanwhile', which has a similar but slightly different nuance., Using it at the beginning of a sentence without a clear time reference. | 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. | Using it incorrectly to mean 'separately'., Confusing it with 'simultaneous' which is an adjective., Misplacing it in a sentence which can alter the meaning. |
| Usage notes | Use when describing events happening together. Avoid in very formal contexts; more suitable for everyday conversations. | Used to refer to a period of time between two events. Common in both spoken and written English. Appropriate in casual conversations and formal contexts. | Use 'meanwhile' to connect two actions occurring at the same time, typically in writing or formal speech. Avoid using it in very casual conversations. | Use 'simultaneously' to describe two or more actions happening at the same time. It works well in both spoken and written contexts but may sound overly formal in casual conversation. |
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Frequently asked questions: At the same time vs In the meantime vs Meanwhile vs Simultaneously
What's the difference between At the same time, In the meantime, Meanwhile, and Simultaneously?
At the same time: Occurring simultaneously or together. In the meantime: During a period of time when something is happening. Meanwhile: At the same time as something else happens. Simultaneously: At the same time as something else.
Which is more advanced: At the same time, In the meantime, Meanwhile, and Simultaneously?
Simultaneously is the highest level, at C1, on the CEFR scale.
Can you show an example of each?
At the same time: They left the house at the same time. In the meantime: I'll prepare dinner; in the meantime, could you set the table? Meanwhile: Leave the cake to cool completely. Meanwhile, make the topping. Simultaneously: The game will be broadcast simultaneously on TV and radio.
Can I use At the same time, In the meantime, Meanwhile, and Simultaneously interchangeably?
Not always. At the same time, In the meantime, Meanwhile, and Simultaneously 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.