Sulfurously
Definition: strong; aggressive; hellish
This is a form of the word “sulfur.” Literally, it can simply mean something that smells like sulfur, but figuratively, it means something that is very aggressive or apocalyptic.
Why I Looked It Up
In an article about xenophobia and the European Union:
While Ms. Marechal’s party Reconquest party sulfurously accuses elites of orchestrating a Great Replacement of Christians by Muslims…