lethargy   (Sound)

The noun lethargy has 3 senses

• lethargy, lassitude, sluggishness -- (a state of comatose torpor (as found in sleeping sickness))


• inanition, lassitude, lethargy, slackness -- (weakness characterized by a lack of vitality or energy)


• languor, lethargy, sluggishness, phlegm, flatness -- (inactivity; showing an unusual lack of energy; "the general appearance of sluggishness alarmed his friends")