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

University of St Andrews primatologist Catherine Hobaiter and Dartmouth College anthropologist Nathaniel Jay Dominy think these two things – fire and human speech – may be fundamentally linked. — Mike McRae 02, New Atlas, 3 Sep. 2026

Students and faculty grapple with a world in which jobs could look fundamentally different because of a rapidly evolving technology. — Lisa Eadicicco, CNN Money, 2 Sep. 2026

The strategies that drive consumer purchases don't automatically translate into investor confidence because the stakes are fundamentally different. — Ramesh Tambe, Forbes.com, 1 Sep. 2026

Despite delivering fundamentally solid numbers, the stock fell because Broadcom didn't raise its 2027 AI revenue target. — Michael Khouw, CNBC, 31 Aug. 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