1. Fitting closely
   "the vest fit snugly" 
2. Safely protected
   "concealed snugly in his hideout" 
3. Warmly and comfortably sheltered
   "sitting snugly by the fireside while the storm raged"

See also: snug

• insistently
• insisting
• insobriety
• insofar
• insolate
• insolation
• insole
• insolence
• insolent
• insolently
• insolubility
• insoluble
• insolvable
• insolvency
• insolvent
• insomnia
• insomniac
• insomuch
• insouciance
• insouciant
• inspan
• inspect
• inspection
• inspection and repair
• inspector