fundamentally

adverb

fun·​da·​men·​tal·​ly ˌfən-də-ˈmen-tᵊl-ē 

: 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

Over time, advancements from mainframe computers to the evolution of PCs to the rise of virtualization and the supremacy of the cloud—and even the move from desktops to mobile devices—fundamentally altered the very notion of enterprise IT. —Charles Yeomans, Forbes.com, 14 Apr. 2025

The economy was fundamentally very healthy January, February, March. —CBS News, 13 Apr. 2025

Such a devastating turn by the advocate who was instrumental in building Reigns' dominant empire, tearing it down to crown Punk, would fundamentally shake the power structure of WWE to its very core. —David Faris, MSNBC Newsweek, 12 Apr. 2025

Its relatively small tourism footprint means uncrowded beaches, pristine natural areas, and a way of life that hasn’t been fundamentally altered to cater to tourists. —Kimberly Wilson, Essence, 12 Apr. 2025

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for fundamentally

• accidentally
• detrimentally
• governmentally
• incidentally
• incrementally
• instrumentally
• sentimentally
• temperamentally
• coincidentally
• environmentally
• experimentally
• mentally