Kiristää ^{(Verb type1)}

1. (transitive) to tighten (make tight)
2. (transitive) to tighten (to make money harder to borrow)
3. (transitive) to extort, blackmail
4. (transitive) to gnash, grind (teeth)

   kiristää hampaitaan

   to gnash one's teeth

5. (transitive) to make more strict or stringent

   Olette kiristäneet sopimuksen ehtoja merkittävästi.

   You have made the terms of the contract much more stringent.

6. (transitive) to wring, extort (to obtain by force)

   kiristää lupaus

   to wring a promise

7. (intransitive, of a garment) to be too tight

   Takki kiristää hartioista.

   The coat is too tight at the shoulders.

The present, imperfect, perfect, and pluperfect (past perfect) tenses in English correspond to "speaks", "spoke", "has spoken", and "had spoken".

The conditional present and perfect moods in English typically correspond to "would" and "would have".