くう
Meanings
Adjective (な)
Noun
1. empty (e.g. argument); insubstantial; hollow; fruitless
Kanji used
empty air
sparse
Pitch accent
うそ
Top 49000
Composed of
empty air; sky; shunyata; emptiness; air force; fruitlessness; meaninglessness
sparse; distant (of a relationship); estranged; alienated