Answer: walled

AnswerCrossword Clue
WALLEDLike Berlin
walledWALL, to enclose in an upright structure
walledupright structure that divides, encloses, etc.
walledhaving walls (sometimes used in combination)
walledto enclose, divide, etc., with a wall
walledbarrier or obstruction
walledenclosed or fortified with a wall
WALLEDLike squash courts
WALLEDLike most forts
WALLEDFortified, in a way
WALLEDEnclosed, in a way
WALLEDLike the Kremlin
WALLEDLike Troy
WALLEDLike some old cities
WALLEDLike some castles.
WALLEDDivided (with "off").
WALLEDImmured.
WALLEDSealed up, in a way
WALLEDFortified like Jericho