Indolent
Habitually lazy and slow; tending to avoid exertion
Lackadaisical
idle or indolent especially in a dreamy way
Languid
Lacking spirit or livliness
Torpor
Sluggishness; a state of mental or physical inactivity; lethargy; apathy
Torpid
Slow, sluggish, lethargic, dull, benumbed
Turgid
Swollen, distended, puffy
Turbid
1. Muddy, thick, or opaque with sediment; obscured; clouded
2. Confused, muddled, disordered
ergophobia
Abnormal fear of work