1. In a wasteful manner
   "the United States, up to the 1920s, used fuel lavishly, mainly because it was so cheap"
   - extravagantly 
2. In a rich and lavish manner
   "lavishly decorated"
   - richly, extravagantly

See also: lavish

• perineum
• perineurium
• period
• period of play
• period of time
• period piece
• periodic
• periodic acid
• periodic apnea of the newborn
• periodic breathing
• periodic edema
• periodic event
• periodic function
• periodic law
• periodic motion
• periodic movement
• periodic sentence
• periodic table
• periodical
• periodical cicada
• periodically
• periodicity
• periodontal
• periodontal disease
• periodontia