Interjection
Usually written in kana
1. by no means; never!; well, I never!; you don't say!; certainly (not)
Adjective (の)
Noun
Usually written in kana
2. something unexpected; emergency
Archaic
Noun
Usually written in kana
3. currently; for the time being; presently; for now
Adverb
Adjective (の)
Obscure
Usually written in kana
4. indeed; really; truly; unexpectedly