くも 雲ひとつない Show inflections LinksSentence search for 雲ひとつないSentence search for くもひとつないSentence search for 雲一つないKanji details for 雲Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. cloudless (sky); without a cloud (in the sky)Other forms雲一つない 【くもひとつない】 Discussions Log in to talk about this word.