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 particles that make up these dark nebulae are of a finite size, and that size is extremely good at absorbing visible light. Big Think, 26 Mar. 2026 David’s view The voters most keen to talk with political reporters are, typically, extremely engaged in politics. David Weigel, semafor.com, 26 Mar. 2026 Although extremely rare, a condition called rhabdomyolysis can occur when your kidneys are overwhelmed with particles from muscle breakdown and can cause permanent kidney damage. Brad Stulberg, Outside, 26 Mar. 2026 An extremely large instance of calving can even shake the ground, causing a glacial earthquake, also known as a cryoseism or icequake. Andrew Coletti, Popular Science, 26 Mar. 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 3 Apr. 2026.

More from Merriam-Webster on extremely

Love words? Need even more definitions?

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

More from Merriam-Webster