V・A・N (普通形) + ばかりか / Naな・である + ばかりか / Nである + ばかりかNot only... but also (even)...
Suggests that the situation is even more extreme or broader than expected, often highlighting a surprising or negative progression. It is more emphatic than 'だけでなく' and implies that the second fact adds significant weight to the first.
Common mistakes
- Confusing with 'ばかりに' which indicates a negative cause
- Using it for simple, neutral additions where 'だけでなく' is more appropriate
- Mismatched levels of intensity between the first and second clause