at once simultaneously

USAGE SUMMARY

The phrase "at once simultaneously" is correct and usable in written English.
It can be used to emphasize that two or more actions or events are occurring at the same time without delay. Example: "The fireworks lit up the sky at once simultaneously, creating a breathtaking display."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

Anyone anticipating easy answers is probably asking the wrong questions because the future of journalism is likely to be many things at once: simultaneously vacuous, cerebral, profitable, loss-making, prurient, in the public interest, bite-sized, long-form, knee-jerk, revelatory, depressing, uplifting, funny, grubby, mobile, surprising and contradictory.

The Guardian

PYLON, from Athens, Ga., was part of the great wave of early-'80s bands that weren't one thing or another, but rather were several great things at once: simultaneously elusive and loud, meditative and piercing, with equal mixtures of dance-groove and discomfort.

The New York Times

Most had a strict 45-minute time limit, usually five at once -- simultaneously with an array of "villages" (picture ongoing workshops on lockpicking and wifi hacking) and contests.

HuffPost

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

To say "at once" or "simultaneously" is to use a temporal metaphor, but Boethius is clear that it does not make sense to think of the whole of temporal reality as being before God's mind in a single temporal present.

SEP

For experiments using siRNA, siRNAs were complexed with HiPerfect™ (QIAGEN, Valencia CA) according to the manufacturer's instructions and were administered at the same site once simultaneously or at different intervals.

Plosone

In a typical round, a gamer might be carrying on three different games at once, chatting simultaneously with the various opponents.

The New York Times - Tech

SpaceX has managed an incredible feat alongside its historic Falcon Heavy first test launch today — landing two of its boosters at once, nearly simultaneously, intact.

TechCrunch

This difference can be experienced at once by simultaneously heating one hand in hot water and cooling another in an ice bath, and exposing them both to a neutral water bath.

SEP

It alleges members of the president's inner circle occupy several positions at once, serving simultaneously as top officials in the military, shareholders in diamond mining companies, and co-owners of the private security firms hired by the mining companies to secure the diamond fields.

BBC

The monitors should cover a wide enough area that you can have all of the documents you would work with at once open simultaneously, and showing enough data that you don't have to regularly click or scroll back and forth, wasting time and struggling to remember their contents.

WikiHow

In his version of the theory, information becomes conscious when certain "workspace" neurons broadcast it to many areas of the brain at once, making it simultaneously available for, say, language, memory, perceptual categorization, action-planning, and so on.

The New Yorker

Expert writing Tips

Best practice

While "at once simultaneously" isn't grammatically wrong, consider whether the redundancy adds meaningful emphasis or simply clutters your writing. Often, choosing either "at once" or "simultaneously" will suffice.

Common error

Avoid using "at once simultaneously" in formal or academic writing where conciseness and clarity are paramount. Opt for single-word alternatives like "simultaneously" to maintain a professional tone.

Linguistic Context

The phrase "at once simultaneously" functions as an adverbial phrase modifying a verb to indicate that an action or event occurs immediately and concurrently. Ludwig AI confirms its grammatical correctness, albeit with potential redundancy.

Expression frequency: Rare

Frequent in

News & Media

50%

Science

33%

Wiki

17%

Less common in

Formal & Business

0%

Encyclopedias

0%

Academia

0%

Ludwig's WRAP-UP

In summary, while "at once simultaneously" is considered grammatically correct by Ludwig AI, it is somewhat redundant. The phrase functions as an adverbial phrase to emphasize immediacy and concurrence. It is more suited to neutral or informal contexts and should be used sparingly in formal writing. Alternatives like "simultaneously" or "at the same time" often provide greater clarity and conciseness. The limited number of examples indicates that this phrase is not very common, and careful consideration should be given to its usage to ensure it adds meaningful emphasis rather than unnecessary clutter.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Immediately and simultaneously

Separates and highlights immediacy and concurrence for added emphasis.

Simultaneously

Emphasizes the concurrence of events without necessarily implying immediacy.

At the same time

A more common and less emphatic way to express simultaneous occurrence.

Concurrently

A formal synonym for simultaneously, emphasizing the parallel nature of events.

All at the same time

Adds a slight emphasis on all things happening together, losing immediacy.

Instantaneously

Focuses on the immediate nature of the occurrence, rather than concurrency.

At one and the same time

An emphatic and somewhat archaic way of saying at the same time.

In unison

Suggests a coordinated simultaneous action.

In parallel

Implies that events are unfolding alongside each other.

Together

A simple and direct way to indicate that things are happening at the same time.

FAQs

Is "at once simultaneously" redundant?

Yes, the phrase "at once simultaneously" can be considered redundant because "at once" and "simultaneously" both convey the idea of something happening at the same time. Using just one of these phrases is usually sufficient.

When is it appropriate to use "at once simultaneously"?

While generally redundant, you might use "at once simultaneously" for emphasis in informal contexts, where you want to strongly convey that something happens immediately and concurrently. However, consider if the added emphasis is necessary.

What are some alternatives to "at once simultaneously"?

Alternatives include "simultaneously", "at the same time", "concurrently", or simply "at once". The best choice depends on the specific context and the level of formality required.

Is it grammatically incorrect to say "at once simultaneously"?

Ludwig AI considers the phrase grammatically correct but potentially redundant. While not strictly incorrect, using either "at once" or "simultaneously" individually is often clearer and more concise.