sluggish

Short definition from Wiktionary

Adjective

1. 1
   Habitually idle and lazy; slothful; dull; inactive
2. 2
   Slow; having little motion.
3. 3
   Having no power to move oneself or itself; inert.
4. 4
   Characteristic of a sluggard; dull; stupid; tame; simple.
5. 5
   Exhibiting economic decline, inactivity, slow, or subnormal growth.