洪こう大だい

na-adjective, noun

great; immense; vast

Describes something of enormous scale, size, or degree; often used in formal or literary contexts.

• 彼かれの功こう績せきは洪こう大だいなものだ。

  His achievements are immense.

• 洪こう大だいな宇う宙ちゅうの広ひろがりを思おもうと、自じ分ぶんの悩なやみが小ちいさく感かんじられる。

  When I think of the vast expanse of the universe, my own worries seem small.