noun
definition
(usually with the definite article) A place to do the "necessary" business of urination and defecation: an outhouse or lavatory.
adjective
definition
Required, essential, whether logically inescapable or needed in order to achieve a desired result or avoid some penalty.
example
Although I wished to think that all was false, it was yet necessary that I, who thus thought, must in some sense exist.
definition
Unavoidable, inevitable.
example
If it is absolutely necessary to use public computers, you should plan ahead and forward your e-mail to a temporary, disposable account.
synonyms
definition
Determined, involuntary: acting from compulsion rather than free will.