adj
Meaning 1
obligatory; required or commanded by authority.
Definition source: English Wiktionary via Wiktextract
Examples
- Attendance at a school is usually mandatory for children.
Meaning relationships
Synonyms: compulsory, obligatory, binding, compulsatory, decretory, forced, imperative, involuntary, mandatory, nonoptional, required, unbewised, unvoluntary
Antonyms: optional, elective, discretionary, facultative, free, noncompulsory, nonmandatory, nonobligate, nonobligatory, nonrequired, nonrequisite, optionary, unrequired, volitional, voluntary