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

• harakiri
• harangue
• haranguer
• Harare
• harass
• harassed
• harasser
• harassing fire
• harassment
• harbinger
• harbor
• harbor patrol
• harbor porpoise
• harbor seal
• harborage
• harbour
• harbourage
• hard
• hard beech
• hard candy
• hard cash
• hard cheese
• hard cider
• hard clam
• hard coal