snug
noun(snug)
a small secluded room
snug
adjective(snug)
fitting closely but comfortably
Synonyms: close, close-fitting, 
 snug
adjective(snug)
enjoying or affording comforting warmth and shelter especially in a small space
Examples:
Snug in bed. 
A snug little apartment. 
snug
adjective(snug)
offering safety; well protected or concealed
Examples:
A snug harbor. 
A snug hideout. 
snug
adjective(snug)
well and tightly constructed
Examples:
A snug house. 
A snug little sailboat.