simultaneously
Americanadverb
Other Word Forms
Etymology
Origin of simultaneously
Explanation
Use the adverb simultaneously to describe actions that occur at the same time. You are reading this sentence and simultaneously learning a new word! Simultaneously doesn’t have to describe two different actions. It just means that things are happening at the same time. If a presidential debate is broadcast simultaneously on three television channels, “broadcast” is the only action but it’s happening in three places at once.
Vocabulary lists containing simultaneously
Vocabulary from the Introduction to "Reality is Broken" by Jane McGonigal
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The Devil's Arithmetic
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Drums, Girls, and Dangerous Pie
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Ask anyone, Republican or Democrat, and they’ll all say the same thing: Whatever happens is likely to be simultaneously annoying and frightening.
From Salon ● Oct. 30, 2026
That entails simultaneously buying a put option with a higher strike price and selling a put with a lower strike that’s “out of the money” – both with the same expiry.
From MarketWatch ● Oct. 30, 2026
Protests are exploding simultaneously across Europe and the majority of demonstrators – both peaceful and violent – are young.
From BBC ● Oct. 29, 2026
For the first time, a simulation of this kind follows that transformation as it unfolds while simultaneously accounting for how it affects the surrounding universe.
From Science Daily ● Oct. 27, 2026
Maybe they were all breaking the law while simultaneously being the law!
From "The Mona Lisa Vanishes" by Nicholas Day
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
