otherworld
/ˈɒðərˌwɜːld/Definitions
1. noun
A world or place that is unlike or separate from the everyday world; a realm or dimension beyond the ordinary or mundane.
“The fantasy novel was set in a mystical otherworld, where magic and mythical creatures roamed free.”
2. adjective
Relating to or characteristic of a world or place that is unlike or separate from the everyday world.
“The otherworldly beauty of the landscape took my breath away.”