曠こう然ぜん

taru-adjective, adverb taking the 'to' particle

extensive; open; wide; vast

A literary 'taru' adjective describing a broad, open, or boundless expanse, often of land, sky, or a state of mind. Rare in modern Japanese; mainly encountered in classical or formal writing.

• 曠こう然ぜんたる平へい原げんが目めの前まえに広ひろがっていた。

  A vast plain stretched out before my eyes.

• 彼かれの心こころは曠こう然ぜんとして、一いっ点てんの曇くもりもなかった。

  His mind was open and clear, without a single cloud.