Freethinking and Off-the-wall

Freethinking noun - The doctrine that reason is the right basis for regulating conduct.

Off-the-wall and freethinking are semantically related. In some cases you can use "Off-the-wall" instead an adjective "Freethinking".

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

Freethinking and off-the-wall are semantically related. Sometimes you can use "Freethinking" instead an adjective phrase "Off-the-wall".