Narrow passages are areas of land or water that are very confined and often difficult to traverse. The crossword solutions for this term are INLETS (6 letters), ALLEYS (6 letters), STRAITS (7 letters), and DEFILES (7 letters). An inlet is a narrow body of water leading into a larger body of water, such as a bay or harbor. Alleys are narrow streets or paths, usually located in urban areas. STRAITS are narrow channels of water connecting two larger bodies of water, such as the Strait of Gibraltar. Finally, defiles are narrow passages through mountains or other terrain, often with steep sides.