fundamentally
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/ˌfʌndəˈmentəli/
🇬🇧
/ˌfʌndəˈmentəli/
in every important way; completely
Their views are fundamentally different on this issue.
used to introduce an important point about a topic
Fundamentally, the problem requires a new approach.
used to say what is most important about someone or something
He is fundamentally honest, even when it's difficult.