英和和英

to be necessary

do the necessary

of something, to be needed

a necessary thing

by necessity

to meet a need―meet a want

to meet a need

as much as necessary

according to the need―according to the urgency of the case

according to the need

have need of

urgently needed

necessity

the degree of necessity

in great necessity

to be pressed by necessity

in case of necessity

absolutely necessary

moderate demands

more than is needed

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

in any way necessary

do the needful

meet a need

to supply the demand―meet the demand

not necessary

to feel a need

necessitate or exact

when the need arises

as requested