Meaning of informalize in English:

informalize

(also informalise)

Pronunciation /ɪnˈfɔːm(ə)lʌɪz/ /ɪnˈfɔːməlʌɪz/

verb

  • with object To render informal.

Origin

Mid 19th century; earliest use found in Christian Remembrancer. From informal + -ize.