架空

noun (no-adjective)かくう · kakuu

1. Englishfictitious; imaginary; fanciful; fabricated

   • あなたは本当に幽霊を見たのではない。それは架空のものでしかなかったのだ。You didn't really see a ghost―it was only imaginary.

2. Englishaerial; overhead

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)