fundamentally

adverb

fun·​da·​men·​tal·​ly ˌfən-də-ˈmen-tᵊl-ē How to pronounce fundamentally (audio)
Synonyms of fundamentallynext
: 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
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That’s because coding is fundamentally deterministic, meaning there are yes/no, right/wrong outcomes. Allison Morrow, CNN Money, 23 Apr. 2026 Such a move could fundamentally reshape competition across the airline industry, particularly for carriers that have managed to stay afloat without government support. Allie Canal, NBC news, 23 Apr. 2026 Categorizing the plunge pool as TIO for something like a charity scramble or regular public play would be one thing, but to do so in a major championship with a purse of $9 million seems fundamentally wrong and also insane. Mark Harris Outkick, FOXNews.com, 22 Apr. 2026 This is fundamentally different from how the grid has historically operated. Big Think, 22 Apr. 2026 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

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Cite this Entry

“Fundamentally.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fundamentally. Accessed 28 Apr. 2026.

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