snug -- (offering safety; well protected or concealed; "a snug harbor"; "a snug hideout")
close, snug, close-fitting -- (fitting closely but comfortably; "a close fit")
snug -- (well and tightly constructed; "a snug house"; "a snug little sailboat")
cozy, cosy, snug -- (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")