extremely

adverb

ex·​treme·​ly ik-ˈstrēm-lē How to pronounce extremely (audio)
Synonyms of extremelynext
1
: in an extreme manner
2
: to an extreme extent

Examples of extremely in a Sentence

an extremely hot day
Recent Examples on the Web
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.
The team highlighted that during experiments at NIF, lasers heated the capsules to extremely high temperatures, causing thermonuclear reactions that produced neutrons. Prabhat Ranjan Mishra, Interesting Engineering, 9 Jan. 2026 Dress them down with these Birkenstock lookalikes or up with a cute ballet flat for a look that’s extremely versatile for wear year-round. Julia Morlino, Travel + Leisure, 9 Jan. 2026 This, coupled with the fact that the Whippet had an extremely high temperature, led to the conclusion that this event was sparked by a black hole ripping apart a star. Robert Lea, Space.com, 8 Jan. 2026 The federation has taken note of this experience and will ensure that such an extremely rare occurrence never happen again. Don Riddell, CNN Money, 8 Jan. 2026 See All Example Sentences for extremely

Word History

First Known Use

1509, in the meaning defined at sense 1

Time Traveler
The first known use of extremely was in 1509

Cite this Entry

“Extremely.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extremely. Accessed 10 Jan. 2026.

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