snug in WordNet English dictionary

1. fitting closely but comfortably
   "a close fit"
   close  snug  close-fitting 
   
2. enjoying or affording comforting warmth and shelter especially in a small space
   "a cozy nook near the fire"; "snug in bed"; "a snug little apartment"
   cozy  cosy  snug 
   
3. offering safety; well protected or concealed
   "a snug harbor"; "a snug hideout"
   snug 
   
4. well and tightly constructed
   "a snug house"; "a snug little sailboat"
   snug 
   

1. a small secluded room
   cubby  cubbyhole  snuggery  snug