terävämpiin
The Finnish word "terävämpiin" is the illative plural form of the adjective "terävä", which translates to "sharper" or "more acute" in English. The illative case in Finnish indicates movement into or within something, or a state of being within. Therefore, "terävämpiin" essentially means "into sharper ones" or "among sharper ones".
This grammatical form would be used in a sentence where the subject is moving towards or into
The adjective "terävä" itself can also refer to a sharp mind or intellect, meaning intelligent or astute.