- illness, unwellness, malady, sickness - impairment of normal physiological function affecting part or all of an organism
--1 is a kind of ill health, unhealthiness, health problem
--1 has particulars: - nausea, sickness - the state that precedes vomiting
--2 is a kind of symptom
--2 has particulars:motion sickness, kinetosis; morning sickness; queasiness, squeamishness, qualm