American Dictionary

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Definition fundamentally in American English

fundamentally adverb

adverb
/ˌfʌndəˈment(ə)li/
1

in a very important or basic way

Example

The Internet has fundamentally changed the way people communicate.

Example

a choice between two fundamentally different concepts

Example

His entire approach to the problem is fundamentally flawed.

Synonyms and related words
2

used for emphasizing the basic nature or character of something

Example

Fundamentally, she is a children's writer.

Synonyms and related words
Definition fundamentally in American English