Adjective (な)
Four character compound
Usually written in kana
1.  nonsensical;  unreasonable;  absurd;  unrealistic
2.  awfully;  extremely;  to excess;  senseless;  reckless
Adjective (な)
Noun
Usually written in kana
3.  disorder;  confusion;  being jumbled;  being mixed up
Adverb
Colloquialism
Usually written in kana
4.  very;  extremely;  excessively