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. Perrysburg School Superintendent Thomas Hosler:

   That opened the door to keeping kids in school, so that's what led us to the decision to go mask optional.

2. Carolyn Fairbairn:

   We really need a decision on airport capacity, it's urgent and it's not optional.

3. Bruce Tobin:

   We are working with banks to use our strong credit rating to establish an optional supply chain financing programme to support suppliers, this programme is being piloted with several suppliers in our aluminium business, and we intend to make it more broadly available from mid-year 2016. According to a report in The Weekend Australian on Saturday, Rio Tinto's new terms will apply to all contracts valued at $ 3 million or more. Suppliers whose contracts are valued at less than $ 3 million will receive payment in 60 days. The Weekend Australian on Saturday also reported that Rio Tinto chief executive Sam Wash had written to suppliers inviting any who believed they should be exempt from the new payment terms to contact the company. Rio Tinto offers exemptions to suppliers that are registered charities, certain community and indigenous organisations and some government suppliers. Rival mining giant BHP Billiton moved to 60-day supplier payment terms about 18 months ago. A spokeswoman said on Saturday the company retained significant flexibility in terms of arrangements with small business suppliers.

4. Freddy Ortega:

   But you've got to find humor in all things, in life, pain is inevitable, but suffering is 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.