Commanded, binding, and called-for are all synonyms for required. Optional and unnecessary are these antonyms of required. And here are another 31 synonyms for required.
Required Synonyms
- Binding
- Called-for
- Commanded
- Compulsory
- Crucial
- Demanded
- Dictated
- Enforced
- Essential
- Expected
- Fixed
- Imperative
- Imposed
- Incumbent
- Indispensable
- Inescapable
- Involuntary
- Mandatory
- Must-have
- Necessary
- Needed
- Obligatory
- Ordained
- Prescribed
- Requisite
- Stipulated
- Unavoidable
- Urgent
- Vital
- Preconditioned