Antonyms for optional
ˈɒp ʃə nlop·tion·al

WiktionaryRate these synonyms:5.0 / 1 vote

1. optionaladjective

   Antonyms:
   compulsory, mandatory, obligatory

2. optionaladjective

   On that beach clothing is entirely optional.

   Antonyms:
   mandatory, compulsory, obligatory

English Synonyms and AntonymsRate these synonyms:3.3 / 3 votes

1. optional

   Antonyms:
   essential, indispensable, inevitable, infallible, necessary, needed, needful, required, requisite, unavoidable, undeniable

   Synonyms:
   casual, contingent, needless, non-essential, unnecessary, useless, worthless

Princeton's WordNetRate these antonyms:5.0 / 1 vote

1. optionaladjective

   possible but not necessary; left to personal choice

   Antonyms:
   bounden, indispensable, prerequisite, mandatory, compulsory, incumbent on(p), required, imposed, obligatory, de rigueur

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. optionaladjective

   Antonyms:
   compulsory, coercive, obligatory

   Synonyms:
   discretional, elective

Editors ContributionRate these antonyms:0.0 / 0 votes

1. duty

   optional is a good antonym because duty means something that u have to do but optional means you don't have to do it and you have a choice to choose not to do it or do it.

   the lift sheet is optional, you can whether choose to do it or not.

   Submitted by anonymous on November 19, 2019  

How to use optional in a sentence?

1. Unknown:

   Pain is inevitable; suffering is optional.

2. Pope Francis:

   Personally I think that celibacy is a gift to the Church. I am not in agreement (with those who say) optional celibacy should be permitted.

3. Representative Jason Chaffetz:

   Participation in this committee is not optional.

4. Susan Blackman:

   It's made me want to be more aggressively Jewish, to wear my Star of David in every day... It's not optional now.

5. Thierry Breton:

   I do not know any optional voluntary tax... On the big digital players, this is obviously not an option, if it cannot be reached, we would take up the issue at the level of the Commission.

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