italicizePronunciation: /ɪˈtalɪsʌɪz/ (also italicise)Definition of italicize verb [with object] write or print (text) in italics: she italicized the unfamiliar phrase changes of wording have been italicizedDerivatives italicizationPronunciation: /-ˈzeɪʃ(ə)n/ noun italicize in other Oxford dictionaries Definition of italicize in the US English dictionary