英和和英

have need of

to be necessary

do the necessary

meet a need

of something, to be needed

by necessity

a necessary thing

to meet a need

according to the need

do the needful

necessity

to be pressed by necessity

urgently needed

something that is indispensable

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

in great necessity

immediate needs

want to have

It's necessary.

to cause necessity―necessitate

to feel a need

as much as necessary

position or line of employment

the degree of necessity

be due

to supply the demand―meet the demand

to urge （on one） the necessity of something―impress upon one the importance of something

absolutely essential

It is necessary.

necessitate or exact