What's the adjective for italicizes? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs italicize and italicise which may be used as adjectives within certain contexts.
italic
(typeface) Designed to resemble a handwriting style developed in Italy in the 16th century.
(typography, of a typeface or font) Having letters that slant or lean to the right; oblique.