WordNet: necessary

absolutely essential

• also see obligatory

• also see essential

• also see indispensable

• attribute necessity

• similar to essential, indispensable

• similar to incumbent

• similar to needed, needful, required, requisite

• similar to obligatory

necessary

• (englanti) unnecessary (antonym)

• (englanti) necessity (derivationally related)

• (englanti) necessity (derivationally related)
• (suomi) tarvittava (synonyymi)

• (suomi) tähdellinen (synonyymi)

• (suomi) välttämätön (synonyymi)

• (suomi) tärkeä (synonyymi)