simultaneous

adjective si·mul·ta·neous \ ˌsī-məl-ˈtā-nē-əs , -nyəs also ˌsi- \

|Updated on: 11 Aug 2018

Tip: Synonym Guide

Examples: simultaneous in a Sentence

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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simultaneity

\ˌsī-məl-tə-ˈnē-ə-tē, -ˈnā- also ˌsi-\ noun

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simultaneously

play \ˌsī-məl-ˈtā-nē-əs-lē, -nyəs- also ˌsi-\ adverb

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simultaneousness

noun

See simultaneous defined for English-language learners

See simultaneous defined for kids

Examples of simultaneous in a Sentence

The two gunshots were simultaneous.
a simultaneous release of the movie and its soundtrack on CD

Recent Examples of simultaneous from the Web

Drake concurrently charts 27 songs on the Billboard Hot 100, breaking his own record for most simultaneous entries on the chart.

— xander zellner, Billboard, "Drake Returns to No. 1 on the Artist 100 For 27th Week," 10 July 2018
Early tests show that the main differences between Premium and Ultra are the picture quality and number of simultaneous streams.

— madeline buxton, refinery29.com, "Netflix's Ultra Subscription Could Be Its Most Expensive Plan Yet," 5 July 2018
If that score holds and Germany fails to beat South Korea in the simultaneous match, Sweden and Mexico would advance and the Germans would be gone.

— Houston Chronicle, "Mexico, Sweden advance from group stage; defending World Cup champ Germany eliminated," 27 June 2018
As a result, Argentina must beat Nigeria and then and then hope that Iceland either loses to or draws Croatia in Group D's other simultaneous match.

— scooby axson, SI.com, "How to Watch Nigeria vs. Argentina: World Cup Live Stream, TV Channel," 26 June 2018
Molins says the investigation of the simultaneous attacks at the Bataclan concert hall, Paris cafes and the national stadium that killed 130 people should conclude next year.

— Fox News, "French prosecutor: 40 terrorism convicts to be released soon," 28 May 2018
The two simultaneous events created a jarring juxtaposition.

— adam taylor, Washington Post, "Joy in Jerusalem overshadowed by death in Gaza," 15 May 2018
On Christmas Eve in 2000, nearly simultaneous attacks on churches in Jakarta and several other cities killed about 20 people.

— muktita suhartono, BostonGlobe.com, "Parents, with their children along, carried out suicide bombings in Indonesia," 13 May 2018
Proceeds from the 400 simultaneous events will fund music and arts education programs in 11 countries.

— melinda newman, Billboard, "Playing for Change Day Set for Sept. 15 With 400 Events Raising Funds for Music & Arts Programs," 4 May 2018

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.

Origin and Etymology of simultaneous

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

NEW! Time Traveler

First Known Use: circa 1660

in the meaning defined at sense 1

See Words from the same year

simultaneous Synonyms

Synonyms

coeval, coexistent, coexisting, coextensive, coincident, coincidental, concurrent, contemporaneous, contemporary, coterminous, synchronous;

Antonyms

asynchronous, noncontemporary, nonsimultaneous, nonsynchronous;

Synonym Discussion of 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.