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

Rogan’s formula for success—sprawling, often hours-long interviews with influential, largely male figures including actor Bradley Cooper, comedian Theo Von, TV creator Taylor Sheridan, and Nvidia CEO Jensen Huang—remains fundamentally unchanged. — Avery Stone, Time, 14 July 2026

That has fundamentally changed their nature, especially for the country’s most prominent politicians. — Issy Ronald, CNN Money, 14 July 2026

With the government fundamentally needing to refill the reserve rather than drain it further, the SPR has transformed from a political tool for price suppression into a major backstop against sharp declines in crude oil prices. — Michael Khouw, CNBC, 13 July 2026

Paramount blasted the suit as ‘fundamentally flawed’ and a veiled attempt to protect streaming tech giants, including Netflix. — Meg James, Los Angeles Times, 13 July 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