架空

Verb

 * 1) to build on stilts
 * 2) to make a figurehead
 * 3) to fabricate; to make up
 * 4) to be unfounded; to be impractical
 * 1) to fabricate; to make up
 * 2) to be unfounded; to be impractical
 * 1) to be unfounded; to be impractical

Adjective

 * 1) fictitious
 * 2) overhead, aerial

Noun

 * 1) fiction
 * 2) overhead, aerial