If you’re not just hungry, you’re very hungry or really hungry, it’s you’re hungrier than just being hungry, but I guess you could choose to use a different word; to say “I’m famished” or “I’m ravenous” or something else instead of using the adverb.
I awoke this morning at the crack of dawn, only to find that the crops had been ruined by ravenous birds.
Anglais mot "wygłodniały"(ravenous) se produit dans des ensembles: