Synonyms for Basement

Synonyms starting with letter U

• underground room

  cellar
• understructure

  room on lower floor of building
• underpinning
• undercroft

  cellar
• undermost
• underbuilding

  room on lower floor of building
• underground
• upper storey

  building
• underground chamber
• upstairs
• underlying
• underside
• underneath
• underbelly
• undersurface
• underground floor
• undergrow