sick·ness /ˈsɪknɪs/ n. 1. 患病;疾病 absence owing to sickness 因病缺席 a strange sickness for which no cure is known 现在还无药可医的一种怪病 a sickness of fear 恐惧症 2. 弊病;(社会或机构等的)不健全状态 She has a sickness about spending money. 她有个乱花钱的毛病。 3. 恶心,呕吐 The disease causes sickness and diarrhoea. 这病会引起上吐下泻。