plural necessities
1
: the quality or state of being necessary - He questioned the necessity for the change.
2 a
: pressure of circumstance - The plane was compelled by necessity to change its course.
b
: physical or moral compulsion - did it, not because he wanted to, but by necessity
c
: impossibility of a contrary order or condition - submitting to the necessity imposed by the physical laws of the universe
3
: the quality or state of being in need;
especially
: poverty - had come to help them in their necessity
4 a
: something that is necessary : requirement - Many families could not afford the bare necessities of life.
b
: an urgent need or desire - When his father collapsed, an ambulance became a necessity.
—
of necessity
: in such a way that it cannot be otherwise;
also
: as a necessary consequence - further changes will occur of necessity