simultaneous

adjective
si·​mul·​ta·​neous | \ ˌsī-məl-ˈtā-nē-əs How to pronounce simultaneous (audio) , -nyəs also ˌsi- \

Definition of simultaneous

1 : existing or occurring at the same time : exactly coincident
2 : satisfied by the same values of the variables simultaneous equations

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Other Words from simultaneous

simultaneity \ ˌsī-​məl-​tə-​ˈnē-​ə-​tē , -​ˈnā-​ also  ˌsi-​ \ noun
simultaneously \ ˌsī-​məl-​ˈtā-​nē-​əs-​lē How to pronounce simultaneous (audio) , -​nyəs-​ also  ˌsi-​ \ adverb
simultaneousness noun

Choose the Right Synonym for simultaneous

contemporary, contemporaneous, coeval, synchronous, simultaneous, coincident mean existing or occurring at the same time. contemporary is likely to apply to people and what relates to them. Abraham Lincoln was contemporary with Charles Darwin contemporaneous is more often applied to events than to people. contemporaneous accounts of the kidnapping coeval refers usually to periods, ages, eras, eons. two stars thought to be coeval synchronous implies exact correspondence in time and especially in periodic intervals. synchronous timepieces simultaneous implies correspondence in a moment of time. the two shots were simultaneous coincident is applied to events and may be used in order to avoid implication of causal relationship. the end of World War II was coincident with a great vintage year

Examples of simultaneous in a Sentence

The two gunshots were simultaneous. a simultaneous release of the movie and its soundtrack on CD
Recent Examples on the Web Last season as a freshman, Kiara Xanthos was disqualified for a non-simultaneous touch in the 100-meter breaststroke. Dallas News, "2021 UIL 5A swimming & diving state championships: Woodrow Wilson freshman Campbell Chase narrowly wins 200 IM, other area results," 3 Mar. 2021 Moments before Booker's ejection, James and Lakers coach Frank Vogel got simultaneous technicals for arguing a no-call on Paul. Greg Beacham, Star Tribune, "Suns overcome Booker's ejection, hold off Lakers 114-104," 3 Mar. 2021 But what none of us has ever experienced is a simultaneous shock in all three of these areas. World Economic Forum, Forbes, "Post-Pandemic Leadership: How Managing A Business Is Changing In Times Of Covid-19," 1 Mar. 2021 Familiar favorites Tina Fey and Amy Poehler will be hosting for the fourth time, but from different coasts, in a simultaneous broadcast. Anne Cohen, refinery29.com, "The 18 Movies You Have To Watch Before The Golden Globes — & Where To Find Them," 28 Feb. 2021 For the first time in U.S. history, all 50 states are under simultaneous emergency declarations that accord varying degrees of unilateral authority to governors. John Haughey, Washington Examiner, "DeSantis seeks to clip local authority as lawmakers examine his emergency powers," 25 Feb. 2021 Her school system, the state’s largest, has not focused only on simultaneous teaching but has talked about schools taking combined approaches that include it. Anchorage Daily News, "More teachers are asked to double up, instructing kids at school and at home simultaneously," 21 Feb. 2021 For that brief overlap, those programs combined for a rare level of simultaneous national success. Nathan Baird, cleveland, "In search of dual dominance in the Big Ten: Ranking the football and men’s basketball programs 1-28," 19 Feb. 2021 Her school system, the state’s largest, has not focused only on simultaneous teaching but has talked about schools taking combined approaches that include it. Washington Post, "More teachers are asked to double up, instructing kids at school and at home simultaneously," 18 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'simultaneous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of simultaneous

circa 1660, in the meaning defined at sense 1

History and Etymology for simultaneous

Latin simul at the same time + English -taneous (as in instantaneous) — more at same

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Time Traveler for simultaneous

Time Traveler

The first known use of simultaneous was circa 1660

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Statistics for simultaneous

Last Updated

6 Mar 2021

Cite this Entry

“Simultaneous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/simultaneous. Accessed 8 Mar. 2021.

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More Definitions for simultaneous

simultaneous

adjective

English Language Learners Definition of simultaneous

: happening at the same time

simultaneous

adjective
si·​mul·​ta·​neous | \ ˌsī-məl-ˈtā-nē-əs How to pronounce simultaneous (audio) \

Kids Definition of simultaneous

: existing or taking place at the same time simultaneous events

Other Words from simultaneous

simultaneously adverb

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Comments on simultaneous

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