illness — Health and Illness illness /ˈɪlnəs/ noun CEFR A2 A disease or period of being unwell. “She stayed home because of her illness.” Related words in this scene medicinetireddoctornursecoldfevercoughheadachepainsickillhurtachestomachachetoothachesore throatfluhospitaltemperaturerestsneezedizzyinjectiontabletpillbandagebetterrashsoreplasterthermometerrecover Practice this word Create worksheet