n. 25B6; noun
she was absent through sickness : ILLNESS, disease, ailment, complaint, infection, malady, infirmity, indisposition; informal bug, virus; Brit. informal lurgy; Austral. informal wog. See lists at illness .
a wave of sickness : NAUSEA, biliousness, queasiness.
he suffered sickness and diarrhoea : VOMITING, retching, gagging; travel-sickness, seasickness, carsickness, airsickness, motion sickness; informal throwing up, puking.