Word parts

option + -alCategory:Terms suffixed with -al

Pronunciation

• (UK) IPA ^(key): /ˈɒp.ʃə.nəl/Category:Entries with IPA pronunciation
• (US) IPA ^(key): /ˈɑp.ʃə.nəl/Category:Entries with IPA pronunciation

• Audio (UK)

  (file)

  Category:Entries with audio pronunciation

Adjective

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

   At this event, dress is optional.