1. [adjective] Needed, required
2. [adjective] Such as must be; not to be avoided; inevitable.
3. [adjective] Acting from necessity or compulsion; involuntary.
4. [noun] (archaic) (British) bathroom, toilet, loo
5. [noun] Anything indispensable; 'food and shelter are necessities of life'; 'the essentials of the good life'; 'allow farmers to buy their requirements under favorable conditions'; 'a place where the requisites of water fuel and fodder can be obtained'.
6. [adjective] Absolutely essential.
7. [adjective] Unavoidably determined by prior circumstances; 'the necessary consequences of one's actions'.
