Middle-of-the-road and Unrevealing

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

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

Middle-of-the-road and unrevealing are semantically related in unwilling to decide topic. Sometimes you can use "Middle-of-the-road" instead an adjective "Unrevealing".