necessity
🇺🇸
/nəˈsesəti/
🇬🇧
/nəˈsesəti/
something that must happen or be done; the need for something
She bought a car out of necessity because the buses stopped running.
something you must have to live or work
Food and water are basic necessities for survival.
a situation that must happen and cannot be changed
Working overtime became a necessity to finish the project on time.