She is always meddling in other people's business. She is such a busybody.

She is always busybodying in other people's affairs.

She is always busybodying and meddling in other people's affairs.

The busybodies in the neighborhood always gossip about everyone's business.

Stop being busybodies and mind your own business.

She busybodied in everyone's business and caused a lot of drama.

Her busybodyism often annoys her neighbors.

She is always meddling in other people's business, she is so busybodyish.

Her busybodyness often annoys her friends.