optional

Word parts

option + -al

Pronunciation

• (UK) IPA ^(key): /ˈɒp.ʃə.nəl/
• (US) IPA ^(key): /ˈɑp.ʃə.nəl/

• Audio (UK)

  (file)

Adjective

Positive optional

Comparative none

Superlative none

1. If something is optional, you may choose it or not.
   • Synonym: elective
   • Antonym: compulsory

   At this event, dress is optional.

Related words

• option
• optionally