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

According to Ram, that capability could fundamentally reshape the relationship between entertainment and commerce. —Lin Ying-Hsuan, Variety, 18 June 2026

For teams managing multiple events or large-scale productions, this is a fundamentally different relationship with the information that drives strategic decisions. —Diana Sabb, Forbes.com, 18 June 2026

Operational role and target set The proliferation of unmanned aerial threats has fundamentally reshaped the risk environment for ground maneuver units. —Aditya Jadhav, Interesting Engineering, 18 June 2026

But strategy won’t solve an audience loyalty problem that is fundamentally political. —Kevin Dolak, HollywoodReporter, 18 June 2026

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