noun which may take the genitive case particle 'no'
Modifies a noun to indicate a small but non-zero amount or number. Often used in formal or written contexts.
若干の誤差は許容範囲です。
A slight margin of error is acceptable.
会
There were a few changes to the meeting.
adverb
somewhat; a bit; to some extent
Adverbial use, modifying verbs or adjectives to indicate a moderate degree. Slightly formal.
彼の説明は若干わかりにくい。
His explanation is somewhat hard to understand.
今日は昨日より若干暖かい。
Today is a bit warmer than yesterday.