hideout
n. countable B2 Upper Intermediate US //ˈhaɪˌdaʊt// UK //hˈaɪdaʊt// hide·out
n. a secret place where someone goes to stay safe or stay hidden from others. You often hear this word in stories about criminals or people running away.
n. a secluded or secret location used as a shelter or place of concealment. Often associated with illicit activities or evasion of authority.
The bank robbers stayed in a secret hideout.
The police discovered the gang's hideout in an abandoned warehouse near the docks.
After weeks of searching the dense forest, the scouts finally located the rebel hideout, which was cleverly camouflaged beneath a canopy of ancient trees.
From hide + out.