instantaneously

adverb

as in immediately
without delay I had just slammed the car door shut when I instantaneously remembered that I had left the keys inside

Synonyms & Similar Words

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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 instantaneously Every Lichtenstein looks instantaneously like a Lichtenstein. — Jerry Saltz, Vulture, 16 Oct. 2026 Pyrad works by instantaneously thickening when exposed to fire, forming a char that diminishes heat exposure, extinguishes flames, and decreases the risk of third-degree burns. — Derek Rose, Time, 15 Oct. 2026 In-play stats are updated quickly, and the real-time score tracking gives users of theScore Bet a chance to wager on live games instantaneously. — Outkick, FOXNews.com, 15 Oct. 2026 The victim’s money is converted to cryptocurrency and instantaneously transferred across the globe. — Mike Ryan, Sun Sentinel, 24 Sep. 2026 Moreover, much of the footage on September 11 was digital, and therefore easier to compress electronically to share instantaneously. — David Friend, Vanity Fair, 10 Sep. 2026 Neurons don’t respond instantaneously to incoming signals; their responses can depend on input received over the previous few hundred milliseconds. — Anirban Mukhopadhyay, Scientific American, 7 Sep. 2026 More phones popped out to document this monumental scene when the chorus dropped and Engelbert instantaneously turned into an auntie. — Candace Buckner, New York Times, 5 Sep. 2026 Also, if the switch from side by side to one-front/one-back happened instantaneously, your brain would get confused about how to interpret the images delivered from each eye, since the setup would be quite different from what you were used to. — Abigail Witmer, The Conversation, 31 Aug. 2026
Recent Examples of Synonyms for instantaneously
  1. immediately
  2. instantly
  3. promptly
  4. now
  5. directly
Adverb
  • Federal policy now allows businesses to deduct domestic research costs immediately, leaving more capital available for engineers, prototypes, and equipment.
    — Rick Lazio, Fortune, 24 Oct. 2026
  • There was little in the way of heavy equipment immediately available.
    — Arkansas Online, Arkansas Online, 24 Oct. 2026
Definition of immediately
Adverb
  • The Chicago Bears got their quarterback back last week, and the offense instantly improved.
    — David Troy OutKick, FOXNews.com, 22 Oct. 2026
  • The Phony pilot filmed way back in December 2024, before the third season of White Lotus landed and minted Nivola an instantly recognizable face to many TV viewers and the writers room didn’t gear up until fall 2025.
    — Mikey O'Connell, HollywoodReporter, 22 Oct. 2026
Definition of instantly
Adverb
  • Report a new lump, thickened area, persistent ulcer or unexplained bleeding promptly.
    — Emily Cegielski, Flow Space, 20 Oct. 2026
  • When Weiss and her aides shift coverage closer to Israel’s point of view, their actions promptly leak to outlets like the Guardian and Status, the daily media newsletter that has relentlessly chronicled Weiss’ real and perceived missteps.
    — semafor.com, semafor.com, 19 Oct. 2026
Definition of promptly
Adverb
  • Their loss has become the Chiefs’ gain, as Walker, for now, looks like a possible MVP candidate in Kansas City.
    — Scott Chasen, Kansas City Star, 26 Oct. 2026
  • For now, the trial provides compelling evidence that a cancer’s individuality can become a therapeutic opportunity.
    — Mike McRae October 25, New Atlas, 26 Oct. 2026
Definition of now
Adverb
  • He was stretchered off, his body immobilized against a backboard, and he was taken directly to Grady Memorial Hospital.
    — Daniel Flick, AJC.com, 22 Oct. 2026
  • The new technology instead places the diamond directly inside a laser cavity.
    — Georgina Jedikovska, Interesting Engineering, 22 Oct. 2026
Definition of directly

Browse Nearby Words

instantaneous
instantaneously
instanter
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Cite this Entry

“Instantaneously.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneously. Accessed 27 Oct. 2026.

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