The quality or state of being necessary, unavoidable, or absolutely requisite; inevitableness; indispensableness.
- The condition or quality of being necessary.
- Something necessary: The necessities of life include food, clothing, and shelter.
- Something dictated by invariable physical laws.
- The force exerted by circumstance.
- The state or fact of being in need.
- Pressing or urgent need, especially that arising from poverty.
- of necessity As an inevitable consequence; necessarily.