Related Clues:

• Sniff around
• Be a yenta
• Show unseemly curiosity
• One who peeps, perhaps
• Pesky neighbor
• Nose about
• Poke (around)
• Interfere
• Prying sort
• Peer impertinently
• More than inquire
• Be too curious
• Use 23-Across
• Eavesdrop or eavesdropper
• Get your nose into someone's business