adjectives
offering safety; well protected or concealed
"a snug harbor"; "a snug hideout"
is similar to
kept safe or defended from danger or injury or loss
"the most protected spot I could find"
fitting closely but comfortably
"a close fit"
well and tightly constructed
"a snug house"; "a snug little sailboat"
is similar to
of such close construction as to be impermeable
"a tight roof"; "warm in our tight little house"
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"