Solutions Necessary, obligatory thing has 9 entries with similar clues
- 6-letter words
- exemptFreed from obligatory tax, etc.
- 7-letter words
- bindingObligatory
- 8-letter words
- optionalAvailable to be chosen but not obligatory
- requiredObligatory
- 9-letter words
- mandatoryObligatory
- requisiteA thing that is necessary for a purpose
- 10-letter words
- permissiveAllowed but not obligatory
- compulsoryObligatory
- 12-letter words
- sine-qua-nonA thing that is absolutely essential or necessary