extremely

adverb

ex·​treme·​ly ik-ˈstrēm-lē How to pronounce extremely (audio)
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.
Numerous studies have demonstrated that shots using mRNA technology, including Covid vaccines from Pfizer and Moderna, are safe and effective, and serious side effects have happened in extremely rare cases. Annika Kim Constantino, CNBC, 18 Sep. 2025 If that hasn’t been done, the AI will likely try to generate code, but the results will probably be half-baked and extremely sketchy. Lance Eliot, Forbes.com, 18 Sep. 2025 Most organic compounds are extremely fragile when exposed to harsh environmental conditions — and that’s especially true for biomolecules, most of which are large organic compounds. Dirk Schulze-Makuch, Big Think, 17 Sep. 2025 Lead in any amount can cause health problems, particularly in children, whether a person breathes it in or ingests it, while extremely high lead levels can cause a seizure, coma or death. Natalie Neysa Alund, USA Today, 17 Sep. 2025 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 19 Sep. 2025.

More from Merriam-Webster on extremely

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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