the most basic and important part

fundamental

adjective|/ˌfʌn.dəˈmen.təl/

Forming a necessary base or core; of central importance.

Examples

In a meeting

Trust is fundamental to any successful client relationship.

Over coffee

Learning to chop properly is fundamental to cooking faster.

Why this word

basic

Fundamental emphasizes serving as foundation for everything else, while basic suggests simple or elementary level

essential

Fundamental means forming the necessary foundation, while essential means absolutely required but not necessarily foundational

important

Fundamental indicates foundational necessity on which other things depend, while important is general significance

Usage tip

Implies that everything else depends on this. A fundamental problem undermines everything built on top of it.

Etymology

Latin fundamentum — fundare (to found, lay a base), from fundus (bottom)

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