The meaning of MANDATORY is required by a law or rule : obligatory. How to use mandatory in a sentence. Did you know?

MANDATORY definition: authoritatively ordered; obligatory; compulsory. See examples of mandatory used in a sentence.

MANDATORY definition: 1. Something that is mandatory must be done, or is demanded by law: 2. Something that is mandatory…. Learn more.

Definition of mandatory adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Cardi B and Stefon Diggs are back in public life this week, choosing yoga as one of their first outings since welcoming their baby…

1. Required or commanded by authority; obligatory: Attendance at the meeting is mandatory. 2. Of, having the nature of, or containing a mandate. 3. Holding a League of Nations mandate …

There are six meanings listed in OED's entry for the word mandatory, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

adj. authoritatively ordered; obligatory; compulsory: It is mandatory that all students take two years of math. pertaining to, of the nature of, or containing a command. Law permitting no …

Nov 21, 2025 · Background and Historical Context Congressional budget rules distinguish between discretionary spending and mandatory spending because these types of funding are …

If an action or procedure is mandatory, people have to do it, because it is a rule or a law.