different between optional vs opt

English

Etymology

option +? -al

Adjective

optional (not comparable)

1. Not compulsory; left to personal choice; elective.

   Synonyms: facultative; see also Thesaurus:optional

   Antonyms: compulsory, mandatory, obligatory; see also Thesaurus:compulsory

Antonyms

• non-optional, nonoptional

Related terms

• option
• optionality
• optionally

Translations

Noun

optional (plural optionals)

1. Something that is not compulsory, especially part of an academic course.
2. (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

• Politano

German

Pronunciation

• IPA^(key): /?pts??o?na?l/
• Hyphenation: op?ti?o?nal

Adjective

optional (not comparable)

1. optional

Declension

Further reading

• “optional” in Duden online

Italian

Etymology

Borrowed from English optional.

Noun

optional m (invariable)

1. optional accessory
2. handicap (horse racing)

Anagrams

• pilotano

English

Etymology

From French opter, from Latin optare “to choose” or "to select"

Pronunciation

• IPA^(key): /?pt/

• Rhymes: -?pt

Verb

opt (third-person singular simple present opts, present participle opting, simple past and past participle opted)

1. (intransitive) To choose; select.

   He opted not to go.

   She opted for the salad rather than the steak.

Derived terms

• opt in
• opt out
• co-opt

Related terms

• option
• optional

Translations

Anagrams

• OTP, PTO, TPO, pot, top

Old Norse

Alternative forms

• oft

Etymology

From Proto-Germanic *ufta, *uft?.

Adverb

opt (comparative optarr, superlative optast)

1. often
   • Hávamál, verse 135

Descendants

References

• opt in Geir T. Zoëga (1910) A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press

Romanian

Etymology

From Latin oct?, from Proto-Indo-European *o?t?w.

Pronunciation

• IPA^(key): /opt/

Numeral

opt

1. eight

Derived terms

• optzeci
• optime