fundamental
//ˌfʌndəˈmɛntəl//
Adjective
fundamentalCanonical form
more fundamentalComparative
most fundamentalSuperlative
1
forming a necessary base or core; of central importance
Education is fundamental to a child's development.
2
affecting or relating to the essential nature of something
There is a fundamental difference between the two approaches.
3
so basic as to be hard to alter, resolve, or overcome
There is a fundamental problem with the current system that cannot be easily fixed.
Noun
fundamentalsPlural
1
a central or primary rule or principle on which something is based
We need to go back to fundamentals and understand the core principles.
2
the lowest note of a chord in its original form
The fundamental of this chord is C.