1. most inclined to pry into or inquire about other people’s private affairs
Usage: superlative form of nosy

Examples

• She’s the nosiest person in the neighborhood, always asking about everyone’s business.
• My nosiest aunt wanted to know every detail about my new relationship.
• The nosiest reporters gathered outside the courthouse.
• He became the nosiest member of the book club after joining.
• Even the nosiest neighbors couldn’t find out what happened.
• She’s nosiest when it comes to office gossip.