fundamentally

adverb

fun·​da·​men·​tal·​ly ˌfən-də-ˈmen-tᵊl-ē How to pronounce fundamentally (audio)
: with regard to what is basic, essential, or fundamental : at a fundamental level
a fundamentally honest person
a fundamentally new/different approach
Most theories of the internal structure of Venus begin with the assumption that the planet is fundamentally similar to the earth …Andrew and Louise Young
: in a basic or fundamental manner
This "disposable" work force is the most important trend in business today, and it is fundamentally changing the relationship between Americans and their jobs.Janice Castro

Examples of fundamentally in a Sentence

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.
Social media algorithms have fundamentally altered content distribution, requiring PR pros to rethink promotional strategies. Daniel Lotzof, Forbes.com, 13 Aug. 2025 The dynamics are fundamentally different because of those structural differences. ArsTechnica, 13 Aug. 2025 With that measure, Denver voters may get a chance to fundamentally change the way two of their council members are chosen. Elliott Wenzler, Denver Post, 13 Aug. 2025 On the corridor wall outside David Bruce’s office in Black Cat House, there is a framed piece of paper that has fundamentally changed Sunderland’s world. Philip Buckingham, New York Times, 12 Aug. 2025 See All Example Sentences for fundamentally

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of fundamentally was in the 15th century

Browse Nearby Words

Cite this Entry

“Fundamentally.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fundamentally. Accessed 19 Aug. 2025.

More from Merriam-Webster on fundamentally

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!