The word doesn't exist in Cambridge Dictionary and OALD. However, 'ever' can be used as a prefix to mean 'always or continuously'.
Does 'ever-voracious' mean someone who is always eager (for something)?
The sentence I saw this word was:
'By that time, though, Glass had already signed with Virgin Records to record "Music in Twelve Parts," and the ever-voracious rock press had "discovered" minimal music.
The source: https://www.jstor.org/stable/pdf/40213909.pdf
It's on Jstor but I accessed without subscription. That might also be because of the cookies in my browser. Please write a comment if you can't access it and I can scan and upload.