1. (

• lethargy ,
• lassitude ,
• sluggishness

) a state of comatose torpor (as found in sleeping sickness) ;

2. (

• inanition ,
• lassitude ,
• lethargy ,
• slackness ,

) weakness characterized by a lack of vitality or energy ;

3. (

• languor ,
• lethargy ,
• sluggishness ,
• phlegm ,
• flatness ,

) inactivity; showing an unusual lack of energy; "the general appearance of sluggishness alarmed his friends" ;