An adverb meaning 'a little', 'somewhat', or 'to some extent'; used to indicate a small or moderate degree.
この問題は多少難しいが、練習すれば解ける。
This problem is somewhat difficult, but with practice you can solve it.
疲れていたので、今日は多少早く帰った。
I was tired, so I went home a bit early today.
彼の説明で多少は状況が分かった。
Thanks to his explanation I understood the situation to some extent.
A noun meaning amount or quantity (as in 'a certain amount of...'); often appears in the pattern '多少の〜' and can sound slightly formal.
多少の誤差は許容範囲内だ。
A certain margin of error is within the acceptable range.
プロジェクトには多少の追加費用が必要だ。
The project requires some additional costs.
多少の経験があれば応募資格を満たす。
If you have some experience, you meet the application requirements.