Synonyms for Gluttonous (same or very similar meaning)
WordNet sense 1 (resembling swine; coarsely gluttonous or greedy):
hoggish, piggish
WordNet sense 2 (wanting to eat or drink more than one can reasonably consume):
greedy
WordNet sense 3 (devouring or craving food in great quantities):
rapacious, ravenous, voracious
From the ODE community, based on WordNet
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