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optional

/ˈɑp.ʃə.nəl/adjective3 syllables

Optional means: possible but not necessary; left to personal choice.

Synonyms for optional5

adjective, as in possible but not necessary; left to personal choice

elective, facultative, ex gratia, nonmandatory, nonobligatory

Opposites of optional

obligatory

What does optional mean?1

adjective

1

possible but not necessary; left to personal choice

Definitions from the Open English WordNet, CC BY 4.0.

Optional in a sentence

  • Being challenged in life is inevitable, being defeated is optional.fenfang557
  • Even though it's optional, you should still do the homework.NatsuDonkey
  • An air conditioner is available as an optional extra.unknown
  • The car is equipped with numerous optional accessories.carlosalberto
  • The nucleus and optional coda of a syllable are called the rime.shekitten
  • In Lojban, verbal tense and aspect are optional.nonong
  • In Lojban, tense and aspect are optional and comprehensive.nonong
  • Growing old is mandatory. Growing up is optional.DJ_Saidez

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.