given to excess in consumption of especially food or drink; "over-fed women and their gluttonous husbands"; "a gluttonous debauch"; "a gluttonous appetite for food and praise and pleasure"
Given to gluttony; eating to excess; indulging the appetite; voracious; as, a gluttonous age
If you think that someone eats too much and is greedy, you can say they are gluttonous. a selfish, gluttonous and lazy person
{s} tending to eat and drink to excess, voracious, greedy; having an insatiable appetite (for work, money, etc.)