If something is scrubby, it is covered with small bushes or is not very good.
The word scrubby can make people think of untidiness or not being very nice.
Examples:
The scrubby field was full of small bushes.
The old house had a scrubby garden.
She didn't like the scrubby bushes in the park.
I don't want to live in a scrubby house!
The scrubby dog was not very clean.
The scrubby cat didn't look very happy.