necessity

UK: nɪˈsesɪti | US: nəˈsɛsəti

Definition
  1. n. something that is essential or indispensable

  2. n. the state or fact of being required

  3. n. unavoidable circumstances; compulsion

Structure
necess <necessary>ity <noun suffix>
Etymology

necessity = necess<necessary> + ity<noun suffix>

  • necess (from Latin necesse, meaning "unavoidable, indispensable")
  • ity (noun-forming suffix indicating state or quality, from Latin -itas)

Etymology Origin:
The word "necessity" traces back to Latin necessitas, derived from necesse ("unavoidable"). The root necess reflects inevitability or compulsion, while -ity transforms it into an abstract noun. Over time, the term evolved in Middle English (via Old French necessité) to emphasize both essentiality and external constraints.

Examples
  1. Clean water is a basic necessity for survival.

  2. The necessity of completing the project on time was stressed.

  3. Financial necessity forced her to take a second job.

  4. They acted out of necessity, not choice.

  5. The law recognizes necessity as a valid defense in emergencies.