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
1
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."
"The two runners made a simultaneous dash for the finish line and nobody could tell who won."
How to use simultaneous
Learner’s notesIn plain EnglishHappening at the same time as something else.
Common pairings
simultaneous translation
simultaneous events
simultaneous release
Vocabulary Flow
Build your vocabulary from words like simultaneous.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Fill the gap
Can you complete this real example?
The fireworks display featured _____ explosions from three barges.
Etymology
From Medieval Latin simultaneus, from simul ("together, at the same time").
Synonyms
View more →Antonyms
sequential
asynchronous
metachronous
antisynchronous
asynchronic
heterochronous
polychronic
uncoincidental
Related words
Rhymes for simultaneous
See all rhymes for simultaneous →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.
Featured in
Vocabulary lists that include simultaneous:
