voracious; having a hearty appetite
Describes a person or animal that eats eagerly and in large quantities. Often used in positive or admiring contexts.
He has a hearty appetite and always asks for seconds.
I cooked a lot for the voracious children.
大食い emphasizes eating a large amount, often in a competitive or excessive sense, while 食欲旺盛 focuses on a healthy, strong appetite.
食いしん坊 is a more casual, sometimes childish term for someone who loves to eat, whereas 食欲旺盛 is a neutral, descriptive compound.
Compound of 食欲 (appetite) and 旺盛 (vigorous, abundant). The exact historical derivation is straightforward; both components are standard Sino-Japanese words.