Meaning & use
fundamentally
In a basic or essential way that affects the very nature or core of something.
See it in a sentence
The two proposals are fundamentally different, even though they look similar on the surface.
Winning the lottery fundamentally changed how she thought about money and security.
A note on using this word
Fundamentally points to the deepest, defining level of something, stronger than the more casual basically.
Words with a similar meaning
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