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
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 instantaneous
Whereas oral iron supplements could take upwards of six months to replenish someone’s iron levels, the results of IV iron are fairly instantaneous, says von Drygalski.
—
Caroline C. Boyle, USA TODAY, 19 Dec. 2024
With traditional financial systems, Wall Street just recently migrated in May 2024 to a one-day (T+1) settlement, but that is still not instantaneous.
—Zain Jaffer, Forbes, 3 Dec. 2024
Don’t expect instantaneous results from LED therapy, says Matney.
—Emily Orofino, Vogue, 12 Dec. 2024
Through ambient listening and real-time decision support, AI can provide these professionals instantaneous access to comprehensive information, enabling them to deliver more accurate, empathetic, and effective service.
—Rajeev Ronanki, Forbes, 10 Dec. 2024
See all Example Sentences for instantaneous 
Caroline C. Boyle, USA TODAY, 19 Dec. 2024
With traditional financial systems, Wall Street just recently migrated in May 2024 to a one-day (T+1) settlement, but that is still not instantaneous.
—Zain Jaffer, Forbes, 3 Dec. 2024
Don’t expect instantaneous results from LED therapy, says Matney.
—Emily Orofino, Vogue, 12 Dec. 2024
Through ambient listening and real-time decision support, AI can provide these professionals instantaneous access to comprehensive information, enabling them to deliver more accurate, empathetic, and effective service.
—Rajeev Ronanki, Forbes, 10 Dec. 2024
See all Example Sentences for instantaneous
Thesaurus Entries Near instantaneous
Cite this Entry
“Instantaneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/instantaneous. Accessed 20 Jan. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share