肥ひ大だいしたじ字FuriganaMeanings1noun-modifying (irregular)enlarged; swollen; fatPrenominal form of 肥大する, used to describe something that has become enlarged, swollen, or excessively fat. Often medical or descriptive.肥ひ大だいした肝かん臓ぞうが健けん康こう診しん断だんで見みつかった。An enlarged liver was found during the health checkup.肥ひ大だいした組そ織しきを切せつ除じょする手しゅ術じゅつを受うけた。I underwent surgery to remove the swollen tissue.