fundamentally

adverb fun·da·men·tal·ly \ ˌfən-də-ˈmen-tᵊl-ē \

Definition of fundamentally

: 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

First Known Use of fundamentally

15th century

in the meaning defined above

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