simultaneous

American  

[sahy-muhl-tey-nee-uhs, sim-uhl-] / ˌsaɪ məlˈteɪ ni əs, ˌsɪm əl- /

adjective

1. existing, occurring, or operating at the same time; concurrent: simultaneous translation.

   simultaneous movements;

   simultaneous translation.

   Synonyms:

   coincident, synchronous

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simultaneous British  

/ ˌsaɪməltəˈniːɪtɪ, ˌsɪməltəˈniːɪtɪ, ˌsaɪməlˈteɪnɪəs, ˌsɪməlˈteɪnɪəs /

adjective

1. occurring, existing, or operating at the same time; concurrent

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noun

1. Sometimes shortened to: simul.  chess a display in which one player plays a number of opponents at once, walking from board to board

Other Word Forms

• nonsimultaneous adjective
• simultaneity noun
• simultaneously adverb
• simultaneousness noun
• unsimultaneous adjective
• unsimultaneousness noun

Etymology

Origin of simultaneous

First recorded in 1650–60; from Latin simul “together” ( similar ) + (instan)taneous

Example Sentences

For those who believe in Dow Theory, the notion that a simultaneous record run in the transports and the broader average is great news for the overall market, this is an encouraging sign.

From Barron's

“What we believe could be tricky is that SAN now has to deliver on the simultaneous integrations of both TSB and Webster,” they write, adding that the bank is also overseeing its One Transformation program.

From The Wall Street Journal

Mark Bradshaw, chair of Boston College’s accounting department, who has written a book and more than two dozen academic studies about sell-side stock research, says he has never seen a scenario like Ives’ simultaneous roles.

From Barron's

There was simultaneous commotion and sighs of relief.

From Literature

While extreme cold is not uncommon, the scale of simultaneous disruption across multiple states is rare and highlights how vulnerable transportation and energy systems remain.

From Salon

Related Words

• concurrent