gruwelijk
Gruwelijk is a Dutch adjective and adverb meaning horrific or gruesome, but it is also widely used as an intensifier to mean extremely or awfully. It can describe events, appearances, or conditions that provoke horror, fear, or disgust. The term appears in both formal and informal registers, though in formal writing it is often replaced by more neutral terms such as verschrikkelijk or afschuwelijk.
In usage, gruwelijk commonly forms phrases with nouns, such as gruwelijke fout (horrific mistake), gruwelijk weer
Etymology: gruwelijk derives from the stem gruw-, related to dread and horror, combined with the suffix -elijk
Related terms include verschrikkelijk (terrible), afschuwelijk (abhorrent), and griezelig (creepy). While all convey negative sentiment, gruwelijk