This is the 18060th most frequent Russian word.
фундаментально
Fundamentally.
Used to stress essential importance.
Фундаментально важно понимать основы физики.
It is fundamentally important to understand the basics of physics.
Indicating a thorough or detailed manner of action.
Мы подошли к изучению темы фундаментально, изучив каждый аспект.
We approached studying the topic fundamentally, examining every aspect.
Highlighting a complete or radical change to something.