Dictionary.com
Thesaurus.com
Showing results for simultaneity. Search instead for simultaneities.
Synonyms

simultaneity

American  
[sahy-muhl-tuh-nee-i-tee, sim-uhl-, -ney-] / ˌsaɪ məl təˈni ɪ ti, ˌsɪm əl-, -ˈneɪ- /
Sometimes simultaneousness

noun

  1. the state or quality of existing, occurring, or operating at the same time.

    The simultaneity of the two events was established by checking timestamps on recordings.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

For several years, he has been a persistent and often lonely voice calling for America to get serious about the simultaneity problem.

From The Wall Street Journal Mar. 6, 2026

“This album is an exploration of the simultaneity of human emotions,” she wrote of last year’s “Fatigue,” “the audacity of joy in the wake of grief, disappointment in the face of accomplishment.”

From Washington Post Sep. 28, 2022

As they slip further out of joint, any impression of simultaneity or normal chronology is subtly but deliberately undermined.

From Los Angeles Times Sep. 22, 2021

He frequently shows events from different perspectives or illustrates simultaneity with split screens.

From New York Times Sep. 24, 2020

Perhaps tomorrow someone will invent a theory consistent with everything else we know that circumvents paradoxes on such matters as simultaneity, avoids privileged reference frames and still permits travel faster than light.

From "Cosmos" by Carl Sagan

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training