hideout
noun
[ ˈhʌɪdaʊt ]
• a hiding place, especially one used by someone who has broken the law.
• "the kidnappers did not want their hideout discovered"
Similar:
hiding place,
hideaway,
retreat,
refuge,
shelter,
bolthole,
foxhole,
lair,
safe house,
sanctuary,
sanctum,
hermitage,
sanctum sanctorum,
hidey-hole,