Synonyms for Needful:

adj.

desirous (adjective)
expectant, ardent, greedy, eager, hopeful, itching, amorous, longing, hungry, acquisitive, grasping, fond, covetous, Lusting, urgent, hankering, passionate, desirous, Thirsting, yearning.
indispensable (adjective)
basic.
mandatory (adjective)
obligatory.
necessary (adjective)
urgent.
needful (adjective)
needed, requisite, required, necessary.
prerequisite (adjective)
important.

n.

important. necessary (noun)
basic, without fail, at all costs, obligatory, of necessity.
needful (noun)
needed, requisite, required, necessary.

Other synonyms:

Other relevant words:
necessary, requisite, required, needed, important, obligatory, basic.

Usage examples for needful

  1. " And now for some more hard work," remarked Tom, as all the needful stores were landed. – Tom Swift and his Giant Cannon or, The Longest Shots on Record by Victor Appleton
  2. Of The Cotter's Saturday Night it is hardly needful to speak. – Robert Burns by Principal Shairp
  3. One great object with him was to secure the support which Sir Peregrine could give by his weight in the county; and therefore, as Sir Peregrine was present, it was needful that he should be dishonest. – Orley Farm by Anthony Trollope