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What is the opposite of “facultative”?

What is the antonym of “facultative”?

The antonyms of facultative are obligatory, mandatory, and compulsory. These antonyms describe something that is required or necessary, as opposed to optional.

Brief Definitions of the Antonym(s)

Learn when and how to use these words with these examples!

Required by a legal, moral, or other rule; compulsory.


Wearing a seatbelt is obligatory when driving a car.

Required by law or rules; compulsory.


The company has a mandatory training program for all new employees.

Required by law or a rule; obligatory.


In some countries, military service is compulsory for young men.

How are these antonyms different from each other?

  • 1Obligatory implies that something is required by a legal, moral, or other rule.
  • 2Mandatory emphasizes that something is required by law or rules.
  • 3Compulsory stresses that something is required and cannot be avoided.

Good things to know

  • 1Legal Documents: Use obligatory, mandatory, or compulsory in legal documents to specify requirements.
  • 2Education: Use these antonyms to describe required courses or assignments.
  • 3Workplace: Use these antonyms to describe required training or procedures.

Remember this!

The antonyms obligatory, mandatory, and compulsory describe something that is required by law, rules, or other regulations. They differ in their emphasis on legal, moral, or unavoidable requirements. Use these words in legal documents, education, or the workplace to describe required courses, training, or procedures.

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