1. (

• illness ,
• unwellness ,
• malady ,
• sickness

) impairment of normal physiological function affecting part or all of an organism ;

2. (

• sickness ,

) defectiveness or unsoundness; "drugs have become a sickness they cannot cure"; "a great sickness of his judgment" ;

3. (

• nausea ,
• sickness ,

) the state that precedes vomiting ;