Middle-of-the-road and Middle-ground

Middle-of-the-road adjective - Avoiding major social change or extreme political ideas.

Middle-ground and middle-of-the-road are semantically related In some cases you can use "Middle-ground" instead an adjective phrase "Middle-of-the-road".

Middle-of-the-road and middle-ground are semantically related in unwilling to decide topic. You can use "Middle-of-the-road" instead an adjective phrase "Middle-ground".