ならないcannot help (feeling), unbearably, awfully, irresistibly

Common

1. Expression, い-adjective

   1. 1.

      cannot help (feeling), unbearably, awfully, irresistibly

      as ...てならない

   2. 2.

      must not ..., should not ...

      as ...てはならない

   3. 3.

      must ..., have to ..., ought to ...

      as ...なくてはならない, ...なければならない, ...ねばならない, etc.

   4. 4.

      cannot, unable to

   5. 5.

      not

      Dated term, as ...ではならない