optional
English edit
Etymology edit
Pronunciation edit
- (Received Pronunciation) IPA(key): /ˈɒp.ʃə.nəl/
Audio (Southern England) (file)
- (General American) IPA(key): /ˈɑp.ʃə.nəl/
Adjective edit
optional (not comparable)
- Not compulsory; left to personal choice; elective.
- Synonyms: facultative; see also Thesaurus:optional
- Antonyms: compulsory, mandatory, obligatory; see also Thesaurus:compulsory
- On that beach clothing is entirely optional.
Antonyms edit
Derived terms edit
Related terms edit
Descendants edit
Translations edit
not compulsory
Noun edit
optional (plural optionals)
- Something that is not compulsory, especially part of an academic course.
- (programming, sometimes capitalized) In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value.
- 2015, Richard M Reese, Learning Java Functional Programming, Packt Publishing Ltd, →ISBN, page 147:
- In functional languages, there is a data type called the option type, also called the maybe type. Its purpose is to encapsulate a value, which is returned from a function. […] In Java 8, the Optional class has been added to serve as an option type.
Anagrams edit
German edit
Pronunciation edit
Adjective edit
optional (strong nominative masculine singular optionaler, not comparable)
Declension edit
Positive forms of optional (uncomparable)
Further reading edit
Italian edit
Etymology edit
Borrowed from English optional.
Pronunciation edit
Noun edit
optional m (invariable)
References edit
- ^ optional in Luciano Canepari, Dizionario di Pronuncia Italiana (DiPI)