Formalize and Illegalize

Formalize

Formalize verb - To give official acceptance of as satisfactory.
Usage example: the plan has yet to be formalized by the city council

Illegalize is an antonym for formalize.

Illegalize

Illegalize verb - To make or declare contrary to the law.

Formalize is an antonym for illegalize.
Cite this Source
Illegalize and Formalize. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/formalize/illegalize
Formalize & Illegalize. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/formalize/illegalize>.
Illegalize or Formalize. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/formalize/illegalize.
Google Ngram Viewer shows how "formalize" and "illegalize" have occurred on timeline