Godan verb with 'ku' ending, Intransitive verbto open (e.g. doors) · to open (e.g. business, etc.) · to be empty

Ichidan verb, Transitive verbto open (a door, etc.); to unwrap (e.g. parcel, package); to unlock · to open (for business, etc.) · to empty; to remove; to make space; to make room

Nounair; atmosphere · mood; situation · someone with no presence; someone who doesn't stand out at all

Nounairport

Nounspace; room; gap; emptiness · vacancy; opening; empty seat · free time; time to spare

Nounaviation; flying

Nounsky; the skies; high-altitude sky; upper air

Noun which may take the genitive case particle 'no', Nounfictitious; imaginary; fanciful; fabricated · aerial; overhead

Nounnight sky

Nounwide open sky; the blue; heavens; firmament