Translation guide
Describes eating a large amount of food, often with gusto or to excess. Japanese has several common verbs and phrases that convey this, ranging from neutral to emphatic.
To express that someone eats a lot, often in a single sitting or as a habit.
The most neutral and common way to say 'eat a lot'. Suitable for any context.
He always eats a lot.
Literally 'big eating'. Often used for competitive eating or describing someone with a huge appetite.
She is famous for eating heavily.
Eat greedily or wolf down food. Conveys a sense of eagerness and lack of restraint.
I was so hungry I ate heavily.
Eat one's fill; eat to satiety. Often implies eating a large amount until completely full.
I ate heavily of grilled meat.
Overeat or binge eat. Has a negative connotation of gluttony or lack of control.
I end up eating heavily due to stress.
To emphasize the manner of eating, often with enjoyment or vigor.
たくさん食べる is a simple, neutral statement of eating a lot. 大食いする specifically refers to having a large appetite or engaging in eating challenges, and can be used as a noun (大食い).
The English phrase 'eating heavily' does not translate directly to 重く食べる, which is unnatural. Use the expressions above instead.