Definition of OPTIONAL

optional

Plural: optionals

Adjective

  • possible but not necessary; left to personal choice

Adj

  • Not compulsory; left to personal choice; elective.

Noun

  • An elective course of study that is not compulsory.
  • Something that is not compulsory, especially part of an academic course.
  • In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value.

Examples

  • In Scrabble, playing defensively is optional, but often a winning strategy.
  • On that beach clothing is entirely optional.

Origin / Etymology

From option + -al.

Scrabble Score: 10

optional: valid Scrabble (US) TWL Word
optional: valid Scrabble Word in Merriam-Webster MW Dictionary
optional: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

optional: valid Words With Friends Word