Necessity

Definitions

The fact of being required or indispensable.

An indispensable thing; a requirement.

The state or quality of being necessary or unavoidable.

Examples

Water is an absolute necessity for human survival.

The necessity of a good education cannot be overstated in today's competitive job market.

We only buy items that are a necessity rather than a luxury.

Synonyms

requirement essential need prerequisite compulsion indispensability must

Antonyms

luxury option nonessential superfluity choice excess inessential