別段
べ
つ
だ
ん
Meanings
1
noun which may take the genitive case particle 'no', noun
Used as a noun or no-adjective to mean something distinct or separate from the ordinary; often in formal or written contexts.
Unless there are special circumstances, we will proceed as planned.
There is no separate agreement.
2
(not) particularly; (not) especially
Adverbial use, almost always before a negative verb form; means 'not particularly' or 'not especially'.
There is nothing particularly unusual.
I'm not particularly bothered.