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Synonyms for necessary
adj essential- basic
- crucial
- decisive
- fundamental
- imperative
- indispensable
- mandatory
- needed
- paramount
- required
- significant
- unavoidable
- urgent
- vital
- binding
- cardinal
- chief
- expedient
- prerequisite
- pressing
- prime
- principal
- requisite
- all-important
- bottom-line
- compelling
- compulsory
- de rigueur
- elementary
- exigent
- incumbent on
- momentous
- name of game
- needful
- obligatory
- quintessential
- specified
- wanted
Antonyms for necessary
- additional
- extra
- inessential
- minor
- nonessential
- optional
- secondary
- trivial
- unimportant
- unnecessary
- voluntary
- insignificant
- contingent
- needless
- useless
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
basal
adjective. basic
compulsory
adjective. binding
crucial
adjective. critical, important
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.