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

However, as Arrieta stressed, the series is fundamentally built around four heroines. — Annika Pham, Variety, 15 Oct. 2026

The experience extends before and after the film and encompasses everything from the approach to the venue, to the food and drinks served, to music and dancing, and, most fundamentally, the exchange between artists and audience. — Sam Fleischner, IndieWire, 14 Oct. 2026

Against Henderson, the Dodgers took advantage of mistakes by the Brewers’ usually fundamentally sound defense to score four runs against him, only two of which were earned. — Maddie Lee, Los Angeles Times, 13 Oct. 2026

Elsewhere, artists explore the ever-evolving relationship between the physical and digital, investigating how technology fundamentally shapes our experience of intimacy, desire, and connection. — Matthew Carey, Deadline, 13 Oct. 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