You searched for: “ad horrorem
ad horrorem. (Latin)
To the point of horror.

Sam was telling such gruesome and dreadful stories ad horrorem that the others sitting around the campfire all got cold feet and demanded that he stop his tales!

This entry is located in the following units: ad- (page 2) Latin Proverbs, Mottoes, Phrases, and Words: Group A (page 8)