hideaway
noun
[ ˈhʌɪdəweɪ ]
• a place used for hiding in or as a retreat from other people.
• "workmen added 4 ft to the top of the 6 ft-high wooden fence round her Surrey hideaway to stop prying eyes"
Similar:
retreat,
refuge,
hiding place,
hideout,
den,
shelter,
sanctuary,
sanctum,
hermitage,
cache,
bolthole,
lair,
nest,
nook,
sanctum sanctorum,
hidey-hole,