Esoteric and Way-out

Esoteric adjective - Difficult for one of ordinary knowledge or intelligence to understand.

Way-out and esoteric are semantically related In some cases you can replace phrase "Way-out" with "Esoteric", this terms are similar.

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

Esoteric and way-out are semantically related in unconventional topic. Sometimes you can use "Esoteric" instead an adjective phrase "Way-out".