sickness

Universal Words noun 1 [U] illness; bad health: She's been off work because of sickness. * insurance against sickness and unemployment 2 [U,C,usually sing.] a particular type of illness or disease: altitude / travel / radiation sickness * a sickness common in the tropics seealsoSLEEPINGSICKNESS 3 [U] (especially BrE) the feeling that you are likely to VOMIT (= bring food back up from the stomach to the mouth); the fact of VOMITING: symptoms include sickness and diarrhoea * The sickness passed off after a while. seealsoMORNINGSICKNESS 4 [sing.] a feeling of great sadness, disappointment or disgust: He felt a sickness rise in him at the thought of leaving.