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.
No one should have to endure such horrible, public pain, experienced simultaneously with a nationwide convulsion.
From Salon ● Sep. 11, 2026
The live telecast will be broadcast on NBC and streamed simultaneously on Peacock.
From Los Angeles Times ● Sep. 11, 2026
The San Francisco-based AI lab also accused Chinese developers of deceptively using Claude to produce responses to user queries while simultaneously "distilling" that data to improve their own models.
From Barron's ● Sep. 11, 2026
The company has bolstered the memory capacity on its devices to support these capabilities — simultaneously heightening its supply-chain cost pressures.
From MarketWatch ● Sep. 7, 2026
Badwa offered a small smile, and reluctantly Koffi returned it, trying simultaneously to ignore the unease settling inside her.
From "Beasts of Prey" by Ayana Gray
Definitions 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.
