英和和英

to be necessary

according to the need

do the necessary

by necessity

of something, to be needed

in case of necessity

have need of

a necessary thing

to suit the exigency

to be provided with necessities

Is required

the degree of necessity

an exigency

to meet the need―fill a need―minister to one's needs

to provide the necessities

necessity

the act of requiring

to be pressed by necessity

as much as necessary

to meet a need―meet a want

to meet a need

make according to requirements

be surplus to requirements

something that is indispensable

position or line of employment

meet a need

urgently needed

the degree of indispensability

It's necessary.

a necessary condition