Japanese DictionaryDefinition of たいへん
- (adv) very; greatly
１日中歩き回って大変疲れた。
I am dead tired from walking around all day. - (adj-na, n) 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. - serious; grave; dreadful; terrible
- difficult; hard
- major incident; disaster
