In a backwater and Outlandish

Outlandish and in a backwater are semantically related. in out-of-the-way topic. In some cases you can use "Outlandish" instead an adjective phrase "In a backwater".

Outlandish adjective - Different from the ordinary in a way that causes curiosity or suspicion.

In a backwater and outlandish are semantically related. Sometimes you can use "In a backwater" instead an adjective "Outlandish".