Akademik

sluggishness
noun
1. inactivity; showing an unusual lack of energy
-

the general appearance of sluggishness alarmed his friends

Syn: ↑languor, ↑lethargy, ↑phlegm, ↑flatness
Derivationally related forms: ↑phlegmatic (for: ↑phlegm), ↑phlegmatical (for: ↑phlegm), ↑sluggish, ↑lethargic (for: ↑lethargy), ↑languorous (for: ↑languor)
Hypernyms: ↑inactiveness, ↑inactivity, ↑inertia
2. a state of comatose torpor (as found in sleeping sickness)
Syn: ↑lethargy, ↑lassitude
Hypernyms: ↑torpor, ↑torpidity
Hyponyms: ↑hebetude
3. the pace of things that move relatively slowly
-

the sluggishness of the economy

-

the sluggishness of the compass in the Arctic cold

Derivationally related forms: ↑sluggish
Hypernyms: ↑pace, ↑rate

Useful english dictionary. 2012.