Shirabe

から

Common Noun Noun
English jmdict
1
noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' emptiness;being empty
ほとんど空なのでガソリンを入れなくてはなりません。
I need to put some gas in the car, as it's almost empty.
2
prefix not carrying anything;unburdened;empty-handed
3
prefix dishonoured (bill, promise, etc.);false;no-show (reservation);put-on (cheeriness, courage, etc.);empty (compliments);insincere
Other forms 虚 【から】 (rarely used kanji form)

そら

Common Noun
English jmdict
1
noun (common) (futsuumeishi) sky;the air;the heavens
ワシが空を飛んでいる。
An eagle is flying in the sky.
2
noun (common) (futsuumeishi) weather
3
noun (common) (futsuumeishi) far-off place;distant place
4
noun (common) (futsuumeishi) state of mind;feeling
often as 〜空もない
5
noun (common) (futsuumeishi) (from) memory;(by) heart
usu. as 空で
6
noun (common) (futsuumeishi) falsehood;lie
7
noun somehow;vaguely
before an adjective
8
noun fake
before a noun or a verb
Other forms 虚 【そら】 (word containing out-dated kanji or kanji usage)

うろ

Noun
English jmdict
1
noun (common) (futsuumeishi) hollow;cavity;hole
Other forms 空 【うろ】 · 洞 【うろ】
English jmdict
1
noun (common) (futsuumeishi) calm and free of ambition or care