This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

To alter from a modern fashion or style; give an ancient or old-fashioned form or fashion to.

"He speaks with rapture of his black-letter Chaucer, which he proposes to have bound 'in Gothique,' so as to unmodernize as much as possible its outward appearance."