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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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at the same time simultaneously

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "at the same time simultaneously" is redundant but can be used in written English.
It can be used when emphasizing that two or more actions or events occur together without any time gap. Example: "The two events happened at the same time simultaneously, creating a unique experience for the audience."

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

We made this prediction based on prior research that showed that common biases can be reduced or eliminated when people evaluate courses of actions at the same time (simultaneously) rather than one after the other (separately).

(4) The conical flask containing the mixture of oil, alcohol and catalyst was heated at a constant temperature of 50 60��°C (Patrascoiu et al. 2013; Meka et al. 2007; Duz et al. 2011) and stirred at the same time simultaneously inside a water bath shaker at about 700 rev/min for 60 min, 75 min and 90 min, respectively.

When working with meat or fish, you can dry brine and temper at the same time, simultaneously applying two methods that make for a better finished dish.

News & Media

Los Angeles Times

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

The realisation that Beethoven was composing both symphonies at the same time is simultaneously baffling and astounding – and it's proof that there ain't just one Beethoven.

We can look at many nerve cells at the same time while simultaneously charting behavior".

Science & Research

Science Magazine

(Freelancing for various publications at the same time, I simultaneously covered the subject from both the employee and the employer perspective). I was just finishing my book, Small Business Legal Smarts (Bloomberg Press, 1998), when an editor who I had worked with extensively on the small business beat called to say that Bloomberg had retained him as a consultant to help start two new magazines.

News & Media

Forbes

Replacing the things I didn't need or my body didn't require to function - like alcohol (or meat/fish, too, in my case, which I also let go of at the same time) while simultaneously building up more of my inner spirituality and self-love - is paying dividends, in spades.

News & Media

Huffington Post

These UP states occurred at the same time in simultaneously recorded neurons and were normally accompanied by action potentials (1.1±1.5 AP/sec), demonstrating that intracellular UP states reflect network synchronizations [3], [6], [8], [17], [18].

Science

Plosone

Replace "at the same time" with "simultaneously" and "by the same token" with "similarly".

"At the same time, we should simultaneously implement targeted, staggered cross-border compliance".

News & Media

The New York Times

The 787 has four such main generator-control units that, if powered on at the same time, could fail simultaneously and cause a complete electrical shutdown.

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Expert writing Tips

Best practice

Prefer using either "at the same time" or "simultaneously" independently for clearer and more concise writing. Redundancy can dilute the impact of your message.

Common error

Avoid using both phrases together unless you're intentionally seeking to create emphasis, as it can come across as repetitive or verbose. In most cases, one term is sufficient to convey the intended meaning effectively.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

79%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "at the same time simultaneously" functions as an adverbial phrase indicating that two or more actions or events occur concurrently. Ludwig AI notes that this is a redundant construction, as both components express the same concept.

Expression frequency: Rare

Frequent in

News & Media

33%

Science

33%

Wiki

33%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "at the same time simultaneously" is a redundant expression, as both parts convey the same meaning. Ludwig AI confirms this, suggesting that using either phrase alone is generally preferable for clarity and conciseness. While not grammatically incorrect, its use can be seen as repetitive. In writing, it's best to opt for "concurrently", "simultaneous", or similar alternatives to avoid unnecessary repetition and maintain a more streamlined style. Although found in various sources like News & Media and Science, its frequency is rare, indicating it's not a common or preferred expression.

FAQs

Is it grammatically correct to say "at the same time simultaneously"?

While not strictly incorrect, the phrase "at the same time simultaneously" is considered redundant. Both phrases convey the same meaning, so using them together doesn't add value and can make your writing seem repetitive.

When should I use "at the same time simultaneously"?

Generally, it's best to avoid using "at the same time simultaneously" as it's redundant. If you want to emphasize that two things are happening together, consider rephrasing for clarity or using only one of the phrases.

What are some alternatives to saying "at the same time simultaneously"?

You can use alternatives like "concurrently", "simultaneous", or "synchronously" depending on the context. Each of these captures the essence of events happening together.

Which is better, "at the same time" or "simultaneously"?

Both "at the same time" and "simultaneously" are valid and interchangeable. The choice depends on the context and your desired level of formality. "At the same time" is more colloquial, while "simultaneously" is more formal.

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Source & Trust

79%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: