1. Marked by excessive self-indulgence and moral decay
   "a group of effete self-professed intellectuals"
   - decadent 
2. Lacking in power or forcefulness
   - ineffective, ineffectual, unable

See also: impotent, indulgent

• pep talk
• pep up
• Pepcid
• peperomia
• Peperomia argyreia
• Peperomia sandersii
• Pepin
• Pepin III
• Pepin the Short
• peplos
• peplum
• peplus
• pepo
• pepper
• pepper box
• pepper bush
• pepper family
• pepper grass
• pepper grinder
• pepper mill
• pepper pot
• pepper root
• pepper sauce
• pepper shaker
• pepper shrub