Norwegian Bokmål

Verb

forverre ‎(imperative forverr, present tense forverrer, passive forverres, simple past and past participle forverra or forverret, present participle forverrende)

1. (often reflexive, with seg) to worsen, deteriorate
2. to aggravate (something)

References

• “forverre” in The Bokmål Dictionary.