1. I〔快晴〕ideal [very fine] weather
    • 日本晴れの日
    • a beautiful day
    • 今日は日本晴れだ
    • It's a perfect day today./The weather is ideal [lovely] today.
  1. II〔心がはればれしていること〕
    • 私の心は日本晴れだ
    • 〔心配がない〕I am perfectly free from care./〔やましいところがない〕I have nothing to be ashamed of./I have a clear conscience.