Related Clues:

• Full of holes
• Poorly sealed, maybe
• Sievelike
• Having open windows, maybe
• Not stifling
• Hardly airtight
• Unable to hold water
• Not well insulated
• Like an overventilated room
• In need of a washer, perhaps
• In need of caulking, as a boat
• Faulty, as a faucet
• In need of caulking
• In need of fixing, roofwise
• Opposite of tight