as in concurrent
existing or occurring at the same period of time the synchronous arrival of a baby sister and loss of a beloved grandmother strongly affected the child

Synonyms & Similar Words

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How does the adjective synchronous differ from other similar words?

Some common synonyms of synchronous are coeval, coincident, contemporaneous, contemporary, and simultaneous. While all these words mean "existing or occurring at the same time," synchronous implies exact correspondence in time and especially in periodic intervals.

synchronous timepieces

When can coeval be used instead of synchronous?

The words coeval and synchronous are synonyms, but do differ in nuance. Specifically, coeval refers usually to periods, ages, eras, eons.

two stars thought to be coeval

In what contexts can coincident take the place of synchronous?

The meanings of coincident and synchronous largely overlap; however, coincident is applied to events and may be used in order to avoid implication of causal relationship.

the end of World War II was coincident with a great vintage year

When might contemporaneous be a better fit than synchronous?

In some situations, the words contemporaneous and synchronous are roughly equivalent. However, contemporaneous is more often applied to events than to people.

contemporaneous accounts of the kidnapping

When is it sensible to use contemporary instead of synchronous?

The synonyms contemporary and synchronous are sometimes interchangeable, but contemporary is likely to apply to people and what relates to them.

Abraham Lincoln was contemporary with Charles Darwin

Where would simultaneous be a reasonable alternative to synchronous?

Although the words simultaneous and synchronous have much in common, simultaneous implies correspondence in a moment of time.

the two shots were simultaneous

Examples Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of synchronous Captions must be accurate, synchronous with audio, complete and properly placed. Toby Wong, Forbes, 3 Dec. 2024 Protecting endangered fireflies for the future The synchronous fireflies at Congaree was a local secret for a long time. Pien Huang, NPR, 26 May 2024 In contrast, with synchronous generators the output waveform is determined by the physical and electrical characteristics of the generator. Benjamin Kroposki, IEEE Spectrum, 13 Apr. 2024 More than half the day has to be live in order for it to be considered synchronous. Katie Wiseman, The Indianapolis Star, 19 Jan. 2024 See all Example Sentences for synchronous 
Recent Examples of Synonyms for synchronous
Adjective
  • The latest Short Term Energy Outlook estimates that production outside of OPEC+ will be up about 1.6 million barrels per day in 2025 with concurrent demand only up about 1.2 million barrels per day.
    Bryce Erickson, Forbes, 14 Jan. 2025
  • Waning investor confidence in the U.K. was particularly highlighted by a concurrent fall in sterling, which on Friday hit its lowest level against the U.S. dollar since November 2023.
    Jenni Reid, CNBC, 13 Jan. 2025
Adjective
  • With a lockable synchronic-tilt mechanism and special Z-Shape design, the Kaiser 2 can accommodate a weight up to 180kg, quite a bit more than normal mechanisms on office chairs and the back can be reclined to an angle of 160 degrees which can be locked when not in rocking mode.
    Mark Sparrow, Forbes, 11 Oct. 2021
  • For his last runway collection, unveiled in September, Michele constructed a parallel universe of side-by-side shows separated by a wall that when lifted revealed twins in identical looks in synchronic stride.
    Colleen Barry, Fortune, 24 Nov. 2022
Adjective
  • The timing of these changes were roughly coincident with clarification of Information Blocking rules and Epic’s introduction of its own competing product.
    Seth Joseph, Forbes, 26 Feb. 2024
  • Another suggestion is that there were two more or less coincident eruptions, one each in northern and southern hemispheres.
    Erik Klemetti, Discover Magazine, 26 July 2011
Adjective
  • At the heart of it lies a paradox of human nature: the simultaneous craving for freedom and the comfort of authority.
    Daniel R. Depetris, Newsweek, 10 Jan. 2025
  • The Russian assault may have been an attempt to spoil a simultaneous Ukrainian assault that launched just a few miles to the east around the same time.
    David Axe, Forbes, 10 Jan. 2025

Thesaurus Entries Near synchronous

Cite this Entry

“Synchronous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/synchronous. Accessed 22 Jan. 2025.

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