Related Clues:

• Lots of water was first stopped from leaking
• Bar from first sea shanty
• Impermeable
• Having shut off the water, went ahead
• Front of science building inaccessible to visitors
• Sealed off
• To move aside, though not initially needing to
• How lips are when mum's salty water taken
• Slam
• Padlocked
• Kindly close, as your loud-ass piehole
• No longer ajar, say
• Like a diplomatic pouch
• Opposite of open
• Boarded up, maybe