Synonyms 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

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

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

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

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. optionaladjective

   Synonyms:
   discretional, elective

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

1. optionaladjective

   Synonyms:
   discretional, elective

   Antonyms:
   compulsory, coercive, obligatory

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "optional":

   facultative, voluntary, discretionary, elective, non-mandatory, option, permissive, opcat

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How to use optional in a sentence?

1. Beaverton Superintendent Don Grotting:

   I'm here to support you in any way and I'm at your convenience. But I do want you to know and I do want the message to get out there that this [anti-racism training] isn’t optional anymore, we've waited for the willing, and if you're not willing, maybe this isn't the right place for you to work. I'll just put it like that – maybe we can free up your future, because if we're going to become an anti-racist school district, it can't just be a few people, it's got to be everybody, to include our staff, to include our students, and our community, eventually everyone.

2. Dan Olsen:

   Athletics events are optional events that students or the pubic [sic] can attend, unlike classes which are required for our students to progress toward their degree and graduate. Our decision to start the first three weeks remotely was difficult and was influenced by two key factors. One factor was the uncertainty at the time of Omicron and having some time to understand it and its impact better.

3. 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.

4. Representative Jason Chaffetz:

   Participation in this committee is not optional.

5. De Blasio:

   Starting today, were going to do something new in New York City, we will have checkpoints at key entry points to the city. Travelers coming in from those states will be given information about the quarantine. They will be reminded it is required, not optional. They will be reminded that failure to quarantine is a violation of state law, and it comes with serious penalties. ... Fines can be as high as $10,000.