na-adjective, noun
gluttony; voracity; hearty appetite
Describes a person who eats a lot or has a robust appetite. Often used in the phrase 健啖家 (けんたんか) for a big eater.
彼は健啖家で、いつも大盛りを注文する。
He is a big eater and always orders a large portion.
健啖な食欲には驚かされる。
I'm amazed by his voracious appetite.