空

Meaning

空 centers on the idea of emptiness or hollowness: a space that is vacant, a void, or the open sky. The meanings 'empty', 'vacant', and 'vacuum' are direct expressions of this emptiness, while 'sky' is the vast empty space above.

• 空から
  N3

  emptiness; being empty

• 空そら
  N5

  sky; the air; the heavens

• 空気くうき
  N4

  air; atmosphere

• 空間くうかん
  N2

  space; room; airspace

• 空港くうこう
  N5

  airport

• 航空こうくう
  N3

  aviation; flying

• 空くすく
  N4

  to become less crowded; to thin out; to get empty

• 空中くうちゅう
  N2

  (in) the air; midair; sky

• 空母くうぼ

  aircraft carrier

• 青空あおぞら
  N4

  blue sky

• 航空機こうくうき
  N1

  aircraft

• 上空じょうくう
  N1

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

• 空軍くうぐん
  N1

  air force

• 架空かくう
  N2

  fictitious; imaginary; fanciful; fabricated

• 空腹くうふく
  N1

  empty stomach; hunger

• 真空しんくう
  N2

  vacuum

• 星空ほしぞら

  starry sky

• 空手からて
  N1

  karate

• 空きあき
  N3

  space; room; gap; emptiness

• 空想くうそう
  N2

  daydream; fantasy; fancy; vision

• 空白くうはく
  N1

  blank space (in a document)

• 空襲くうしゅう

  air-raid

• 空爆くうばく

  aerial bombing

• 空っぽからっぽ
  N2

  empty; vacant; hollow

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