Far out and Offbeat

Offbeat and far out are semantically related in unusual topic. In some cases you can use "Offbeat" instead an adjective phrase "Far out", when it comes to topics like way out.

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

Far out and offbeat are semantically related in wacky topic. You can use "Far out" instead an adjective "Offbeat". informal substitute