Fated, called for, certain, and destined are all synonyms for necessary. Unnecessary, non-essential, and dispensable are these antonyms of necessary. And here are another 29 synonyms for necessary.
Necessary Synonyms
1. essential
- Called for
- Compulsory
- Demanded
- Essential
- Imperative
- Incumbent
- Indispensable
- Mandatory
- Needed
- Needful
- Obligatory
- Of the essence
- Required
- Requisite
- Vital
- De rigueur
2. inevitable
- Certain
- Destined
- Fated
- Ineluctable
- Inescapable
- Inevitable
- Inexorable
- Predestined
- Predetermined
- Sure
- Unavoidable
- Preordained