The meaning of FUNDAMENTAL is serving as a basis supporting existence or determining essential structure or function : basic.

FUNDAMENTAL definition: serving as, or being an essential part of, a foundation or basis; basic; underlying. See examples of fundamental used in a sentence.

The fundamentals include modularity, anticipation of change, generality and an incremental approach.

When asked what the fundamental, or essential, principles of life are, a teenager might reply, "Breathe. Be a good friend. Eat chocolate. Get gas money." Fundamental has its roots in the Latin word …

Bedrock is literally a hard, solid layer of rock underlying the upper strata of soil or other rock. Thus, by extension, it is any foundation or basis. Used literally as early as 1850 in Nelson Kingsley’s Diary, the …

a principle, law, etc, that serves as the basis of an idea or system: teaching small children the fundamentals of road safety the principal or lowest note of a harmonic series

Reading, writing, and arithmetic are the fundamentals of education.