Fundamentally

/ˌfʌndəˈmɛntəli/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

Listen pronunciation

adverbIn a basic and essential way.

Extra definitions

adverbAt the deepest level.

adverbStating a main truth.

adverbIn a fundamental or basic sense; reaching the very core of the matter.

The systems are fundamentally different.
Fundamentally, safety comes first.
The reform fundamentally changed education.
Synonyms:
None
Antonyms:
None
“What the science shows, he says, is that the brain of an addict is fundamentally different from that of a nonaddict.” — 2000 June 24, Michael Massing, “Seeing Drugs as a Choice Or as a Brain Anomaly”, in The New York Times:
“Hanks is known as being an avid reader of history and biography, and seems to seek out stories which offer a certain optimism and humanism. In other words, he plays – fundamentally – good people.” — 2021 February 9, Christina Newland, “Is Tom Hanks part of a dying breed of genuine movie stars?”, in BBC:
CEFR Practice Quiz
The systems are ____ different.

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