What is the Opposite(Antonym) of “obligatory”?

The Opposite(Antonym) of “obligatory”

The antonym of obligatory is optional, voluntary, and discretionary. The antonyms optional, voluntary, and discretionary convey a lack of obligation or requirement. It implies that something is not mandatory or necessary.

Explore all Antonyms of “obligatory”

Definitions and Examples of optional, voluntary, discretionary

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

Available to be chosen but not obligatory.


The dessert was optional and not included in the set menu.

Done, given, or acting of one's own free will.


She joined the charity organization as a voluntary worker and helped raise funds for the homeless.

Available for use at the discretion of the user or decision-maker.


The company offered its employees a discretionary bonus based on their performance.

Key Differences: optional vs voluntary vs discretionary

  • 1Optional implies that something is available to be chosen but not required.
  • 2Voluntary describes something that is done willingly or by choice.
  • 3Discretionary means that something is available for use at the discretion of the user or decision-maker.

Effective Usage of optional, voluntary, discretionary

  • 1Clarify Expectations: Use these antonyms to clarify whether something is mandatory or optional.
  • 2Express Preferences: Incorporate these antonyms to express preferences or willingness to do something.
  • 3Negotiate Terms: Utilize these antonyms in negotiations to discuss terms and conditions.

Remember this!

The antonyms have distinct nuances: Optional implies availability but not requirement, voluntary denotes willingness or choice, and discretionary refers to availability for use at the discretion of the user or decision-maker. Use these words to clarify expectations, express preferences, and negotiate terms.

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