I. rav ‧ ing 1 /ˈreɪvɪŋ/ BrE AmE adjective [only before noun] informal
1 . talking or behaving in a crazy way:
a raving lunatic
2 . especially British English used to emphasize that someone or something has a lot of a particular quality:
She was no raving beauty, but at least she looked smart.
II. raving 2 BrE AmE adverb
(stark) raving mad/bonkers informal completely crazy