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

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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 The partnership delivered near instantaneous results. Dana O’Neil, CNN Money, 10 Feb. 2026 The familiarity was instantaneous. Tribune News Service, Baltimore Sun, 9 Feb. 2026 Meanwhile, Congress passed the country's first major crypto legislation, establishing rules for a growing area of crypto called stablecoins — digital currencies that allow for almost instantaneous transfers between parties anywhere in the world. Rafael Nam, NPR, 7 Feb. 2026 Stores increasingly use it to track customers suspected of shoplifting, entertainment venues deploy it during big events, and many cellphones give users the option to unlock their devices with an instantaneous face scan. Matt Lavietes, NBC news, 6 Feb. 2026 See All Example Sentences for instantaneous
Recent Examples of Synonyms for instantaneous
Adjective
  • Such speed-sensitive metamaterials have immediate applications in soft robotics.
    Neetika Walter, Interesting Engineering, 24 Feb. 2026
  • Either way, their words likely have value beyond the immediate moment, so listen closely!
    Tarot.com, Hartford Courant, 24 Feb. 2026
Adjective
  • Long before cell phones, the internet, or instant communications, the storm struck almost without warning and at a disastrous time of day, especially in the Boston and Providence, Rhode Island, metro areas.
    Doyle Rice, USA Today, 24 Feb. 2026
  • Add chickpeas or white beans to salads for instant substance.
    Bridget Shirvell, Martha Stewart, 23 Feb. 2026

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Cite this Entry

“Instantaneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneous. Accessed 2 Mar. 2026.

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