Out-of-this-world and State-of-the-art

State-of-the-art and out-of-this-world are semantically related. in extraordinary topic. In some cases you can use "State-of-the-art" instead an adjective phrase "Out-of-this-world".

State-of-the-art adjective - Being or employing the latest concepts, styles, or techniques.

Out-of-this-world and state-of-the-art are semantically related. Sometimes you can use "Out-of-this-world" instead an adjective phrase "State-of-the-art".