1. Without force or sincere effort
   "smiled thinly" 
2. Without viscosity
   - thin 
3. In a small quantity or extent
   "spread the margarine thinly over the meat"
   - lightly 
4. In a widely distributed manner
   "thinly overgrown mountainside"

See also: thin

Antonym: thickly

• mined
• minefield
• minelayer
• minelaying
• miner
• miner's cat
• miner's lettuce
• mineral
• mineral deficiency
• mineral dressing
• mineral extraction
• mineral jelly
• mineral kingdom
• mineral oil
• mineral pitch
• mineral processing
• mineral resources
• mineral tar
• mineral vein
• mineral water
• mineral wax
• mineral wool
• mineralisation
• mineralise
• mineralization