素すっ

prefix

very; most; greatly

Emphatic prefix attached to adjectives and verbs, often with a colloquial or intensifying effect. Common in words like すっごい (very amazing) and すっきり (refreshingly).

• このラーメン、すっごくおいしい！

  This ramen is incredibly delicious!

• 部屋へやを掃そう除じしたら、すっきりした。

  After cleaning the room, I felt refreshed.