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

These concepts make digital assets fundamentally different from physical ones. —Sandeep Shilawat, Forbes.com, 26 June 2025

This projection highlights the growing belief that agentic AI could fundamentally transform workforce productivity. —Sheryl Estrada, Fortune, 26 June 2025

In sci-fi and fantasy, technology and magic often function in similar ways, fundamentally structuring how a society functions—particularly in relationship to work. —Literary Hub, 26 June 2025

Advertisement But Republicans argue that Mamdani’s proposals are fundamentally unworkable. —Nik Popli, Time, 25 June 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