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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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which simultaneously

Grammar usage guide and real-world examples

USAGE SUMMARY

"which simultaneously" is a correct and usable phrase in written English.
It is commonly used to refer to two or more events that occur at the same time (i.e. simultaneously). For example: "The two countries signed the treaty, which simultaneously eased tensions between the two nations."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We need food for the furnace which, simultaneously, elevates the soul.

On Wednesday it launched a service called Facebook Live, which simultaneously takes aim at the trifecta.

News & Media

The New Yorker

Circular questions, which simultaneously introduce and gather information, ensure that the conversation is collaborative, not adversarial.

The abruptly losing team against Bruntlett's play was the Mets, which simultaneously and perfectly illustrated the opposite of unexpected.

News & Media

The New Yorker

It is designed for making trend and seasonal adjustments which simultaneously presents the electricity demand forecasts.

The decentralized strategy can serve as a planning paradigm, which simultaneously considers several environmental parameters.

Then, the Taylor Couette reactor applied as a crystallizer was proposed, which simultaneously classify the crystals.

These have been analysed in detail, using a holistic approach which simultaneously considers all stakeholder needs.

We also prove a result which simultaneously generalizes results of Arveson and Gohberg and Krein.

What about Basquiat's "Hollywood Africans," which simultaneously critiques film-industry stereotypes and depicts the artist and two of his friends?

He used these, together with standard engineering parts ordered from catalogues, to create sculptures which simultaneously suggested curious machines and totems from some lost but technologically advanced culture.

News & Media

The Guardian
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Expert writing Tips

Best practice

When using "which simultaneously", ensure the actions described truly occur at the same time to maintain clarity and precision.

Common error

Avoid using "which simultaneously" to describe events that happen in sequence, even if they occur closely in time. The phrase implies a true overlap in timing.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "which simultaneously" functions as a relative clause introducing additional information about a noun or situation, indicating that two actions or states occur concurrently. Ludwig AI confirms that the phrase is correct and widely used.

Expression frequency: Very common

Frequent in

Science

44%

News & Media

35%

Formal & Business

6%

Less common in

Wiki

2%

Academia

2%

Reference

0%

Ludwig's WRAP-UP

The phrase "which simultaneously" is a grammatically sound and frequently used relative clause that connects information while emphasizing the concurrent nature of events. As Ludwig AI confirms, the phrase is correct and usable in written English. It commonly appears in scientific, news, and business contexts to provide additional detail, clarifying that two or more actions are happening at the same time. To ensure clarity, use "which simultaneously" only when the events truly overlap. Consider alternatives like "that concurrently" or "at the same time" for similar meanings. Avoiding its misuse with sequential events will help to maintain precision in your writing.

FAQs

How to use "which simultaneously" in a sentence?

Use "which simultaneously" to connect a clause that adds information about something and indicates that two things are happening at the same time. For example, "The program updates, "which simultaneously" improves performance and fixes bugs".

What can I say instead of "which simultaneously"?

You can use alternatives like "that concurrently", "that at the same time", or "and also" depending on the context.

Which is correct, "which simultaneously" or "that simultaneously"?

Both "which simultaneously" and "that simultaneously" are grammatically acceptable. "Which" introduces non-restrictive (additional) clauses, while "that" introduces restrictive (essential) clauses. Choose based on whether the clause is essential to the sentence's meaning.

What's the difference between "which simultaneously" and "as well as"?

"Which simultaneously" connects clauses with simultaneous actions, while "as well as" typically adds information without necessarily implying simultaneity. The former is more precise about timing.

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: