Related Clues:

• Pesky neighbor
• One who wants to know something
• Poke (around)
• Prying sort
• One showing curiosity
• "Jeopardy!" contestant
• Question source
• Be too inquisitive
• Eavesdrop or eavesdropper
• Get your nose into someone's business
• Nosy type
• One who proposes
• Information booth visitor
• Nero Wolfe, for one
• Stick one's nose in