Using 'nose around' can imply invading someone's privacy or space without permission.

Privacy Invasion

It often suggests looking for information driven by curiosity, not necessarily with a bad intention.

Curiosity Driven

'Nose around' can carry a negative connotation, suggesting meddling in affairs not one's own.

This definition is literal, meaning to use the nose to find or explore a scent.

It's often used to describe animals investigating their environment.

In animals, it suggests a natural, exploratory behavior rather than a deliberate invasion of privacy.