adj B2 Upper-Intermediate Uncommon

simultaneous

sihm-uhl-TAY-nee-uhs

Simultaneous (adj) means happening or done at exactly the same time as something else. Example: “The fireworks display featured simultaneous explosions from three barges.”

adj

Happening or done at exactly the same time as something else.

"The fireworks display featured simultaneous explosions from three barges."

"The meetings were simultaneous, so she had to choose one."

How to use simultaneous

Learner’s notes

In plain EnglishHappening at the same time as something else.

Common pairings

simultaneous translation simultaneous events simultaneous release

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The fireworks display featured _____ explosions from three barges.

Etymology

From Medieval Latin simultaneus, from simul ("together, at the same time").

Origin: Medieval Latin

Synonyms

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coincident coincidental concomitant concurrent homochronous isochronous synchronal synchronical synchronous

Antonyms

sequential asynchronous metachronous antisynchronous asynchronic heterochronous polychronic uncoincidental

Related words

contemporary parallel consecutive serial linear successive derivative accompaniment

Rhymes for simultaneous

yous nous pious joyous heinous ominous curious anxious copious tenuous tedious spurious

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Frequently asked questions

What does “simultaneous” mean?

The word “simultaneous” means happening or done at exactly the same time as something else. In plain terms, happening at the same time as something else.

How do you pronounce “simultaneous”?

“Simultaneous” is pronounced sihm-uhl-TAY-nee-uhs (/ˌsaɪ̯.məlˈteɪ̯.ni.əs/ in IPA).

How do you use “simultaneous” in a sentence?

Here is “simultaneous” used in a sentence: “The fireworks display featured simultaneous explosions from three barges.”

What is another word for “simultaneous”?

Words with a similar meaning to “simultaneous” include coincident, coincidental, concomitant, concurrent, homochronous and isochronous.

What is the opposite of “simultaneous”?

The opposite of “simultaneous” — its antonyms — are sequential, asynchronous, metachronous, antisynchronous and asynchronic.

What part of speech is “simultaneous”?

“Simultaneous” is an adjective.

Where does the word “simultaneous” come from?

The word “simultaneous” comes from Medieval Latin. From Medieval Latin simultaneus, from simul ("together, at the same time").

Is “simultaneous” a common word?

“Simultaneous” is an uncommon word in modern English, usually learned at around the B2 level.

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