as in immediate
done or occurring without any noticeable lapse in time the thunder following the flash of lightning was nearly instantaneous

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example 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 instantaneous Grant cancellations are tantamount to instantaneous salary cuts for scientists, and can force them to halt studies, fire staff, and tell participants that their time and effort may have been wasted. Katherine J. Wu, The Atlantic, 14 Mar. 2025 Global communication is now virtually instantaneous. Will Weissert, Chicago Tribune, 10 Mar. 2025 Many are drawn to the tangible, intentional nature of film as digital technology has made photography instantaneous. Molly Peck, USA TODAY, 4 Mar. 2025 Visibility was fine, braking was instantaneous and the feel of the wheel was sharp but not overly so. Josh Max, Forbes, 28 Feb. 2025 See All Example Sentences for instantaneous

Browse Nearby Words

Cite this Entry

“Instantaneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneous. Accessed 24 Apr. 2025.

More from Merriam-Webster on instantaneous

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!