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