Definition of optionalize in English:

optionalize

(also optionalise)

verb

  • with object To make optional.

Origin

1920s; earliest use found in Proceedings Classical Association. From optional + -ize.

Pronunciation

optionalize

/ˈɒpʃən(ə)lʌɪz//ˈɒpʃ(ə)n(ə)lʌɪz//ˈɒpʃ(ə)nəlɪz/