Necessity | Mean of necessity in English Dictionary

/nɪˈsɛsəti/

• Noun
• something that you must have or do
1. Sunscreen is an absolute necessity for the beach.
2. food, clothes, and other basic necessities
3. Getting plenty of rest is a necessity.
4. Without a car, living close to work is a necessity.
5. All we took with us on our hiking trip were the bare necessities.
6. Many families cannot even afford the basic/bare necessities of life. [=things that a person must have in order to survive]
• the quality of being necessary
1. She talked about the necessity of having the right training. [=she said that having the right training is necessary]
2. He questioned the necessity for the change. [=he questioned whether the change was necessary]
• because of conditions that cannot be changed
1. The process is by necessity a slow one. [=the process is necessarily slow; the slowness of the process cannot be avoided]
2. He works two jobs out of necessity. [=because it is necessary]