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.
That changed in early 2022, when California’s major insurers — State Farm, Allstate, Farmers and others — simultaneously began to shed thousands of policies because of their exposure to wildfire risk and other hazards.
From Los Angeles Times ● Sep. 20, 2026
They could transport quantum information between different parts of a network while simultaneously helping protect that information from environmental noise.
From Science Daily ● Sep. 12, 2026
Altman warned energy utilities about an A.I. attack on the grid this summer — while simultaneously pitching them on a suite of OpenAI products that might keep the lights on.
From Salon ● Sep. 12, 2026
The plot is simultaneously ingenious, preposterous and, in its ultimate phantasmagorical effect, not unlike Mr. Holland’s account of the reality Mr. Boyne so wantonly subverts.
From The Wall Street Journal ● Sep. 11, 2026
A chord bordun means that the 1st and 5th degrees are played simultaneously.
From "Music and the Child" by Natalie Sarrazin
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.
