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.
Simultaneously, packaged food companies like Nestle are grappling with a growing cohort of health-conscious consumers who have lost their appetite for ultraprocessed foods.
From The Wall Street Journal • Apr. 23, 2026
Simultaneously this triggered a major unwind in what investors refer to as the basis trade in bitcoin/Strategy, whereby funds like Jane Street were rumored to be long the cryptocurrency but short Michael Saylor’s company.
From MarketWatch • Apr. 22, 2026
Simultaneously, Platner has emerged as a routine talking head on the broader liberal podcast circuit.
From Slate • Apr. 13, 2026
Simultaneously, Netflix was up nearly 14 percent, as many investors concluded the fight had not been worth it for the streamer.
From Barron's • Feb. 27, 2026
Simultaneously, a second Japanese formation raids Iba Field, forty miles west of Clark, knocking out a squadron of planes and destroying equipment.
From "At Last She Stood" by Erin Entrada Kelly
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.
