simultaneously
Americanadverb
Other Word Forms
- nonsimultaneously adverb
- unsimultaneously adverb
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.
AI developers and chipmakers are simultaneously acting as “customers, investors, and financiers,” creating a circular financing structure.
From Barron's • Apr. 14, 2026
If even 10% of the roughly 24,000 eligible agencies enter the procurement cycle in the first implementation period, that is 2,400 new contracts entering the market simultaneously.
From MarketWatch • Apr. 13, 2026
The Lakers were aware that they were playing simultaneously as the Denver Nuggets, the team they were chasing for the third seed in the West.
From Los Angeles Times • Apr. 12, 2026
Kraus is simultaneously an influencer and writer who is paid for her content, which includes coverage of the administration from a mostly favorable lens.
From The Wall Street Journal • Apr. 11, 2026
It’s like he loves and hates the old man simultaneously.
From "Boy21" by Matthew Quick
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.
