Related Clues:

• Response from another room
• 'Psst...I'm in the tree!'
• Not down there?
• ''Psst!'' follower, sometimes
• 'Is there an echo --?'
• Response to ''Where are you?''
• "Psst! __!"
• Higher calling?
• Cry after 'Psst!'
• 'Is it cold or is it me?' --
• Call from a second-floor window
• Exist by nature
• Be intrinsic
• Words from above
• "Psst!" from above