たいへん

Common word

  1. adverb (fukushi)

    very, greatly, terribly, awfully

    • 1日中歩き回って大変疲れた。
      I am dead tired from walking around all day.
  2. adjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)

    immense, enormous, great

    • あえて言いますが、もし我々がそんなことをすれば大変な誤りを犯すことになると私は思います。
      At the risk of sticking my neck out, I think that if we do that, we're making a big, big mistake.
  3. adjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)

    serious, grave, dreadful, terrible

    • もし期限切れになったら、大変なことになるよ。
      There will be hell to pay if I don't make this deadline.
  4. adjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)

    difficult, hard, challenging

  5. noun (common) (futsuumeishi)

    major incident, disaster
    archaic