Far-out and Spacey

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

Spacey and far-out are semantically related. In some cases you can use "Spacey" instead an adjective phrase "Far-out".

Spacey adjective - Suffering from mental confusion.

Far-out and spacey are semantically related. Sometimes you can use "Far-out" instead an adjective "Spacey".