Middle-of-the-road and Middlebrow

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

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

Middlebrow noun - Someone who is neither a highbrow nor a lowbrow.

Middle-of-the-road and middlebrow are semantically related. You can use "Middle-of-the-road" instead an adjective "Middlebrow".