Possible Clues:

• Lazy
• Lazy, lethargic
• Disinclined to work or exert oneself
• Inactive husband with terrible flu's next to window
• Like trees in tropical South American forests?
• 'To be so beastly, perhaps, may lead to 33 across (8)'
• Far from industrious
• Lazy like slow-moving animal
• Lazy, like a creature with three toes
• Lazy, reluctant to work