New meanings to old words.

Many of these are due to mis-hearing
and let's face it, poor literacy.

Thus coruscating (sparkling, brilliant)
has become confused with excoriating
(literally: ripping the heart out of)
and now has two very different meanings
whose context may not provide enlightenment.

https://www.theguardian.com/commentisfree/2023/sep/10/misusing-words-can-change-their-dictionary-definitions-coruscating