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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.
More words related to necessary
automatic
adjective. occurring as natural consequence
basal
adjective. basic
compulsory
adjective. binding
crucial
adjective. critical, important
de rigueur
adjective. socially obligatory
deciding
adjective. determining
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.