having a large and solid body or structure

重い (おもい), 重厚な (じゅうこうな)
weighing more than what is considered healthy or desirable for one's body size and build

過体重の, 肥満の
(of people or animals) weighing much more than what is thought to be healthy for their body

太った (ふとった),肥満の (ひまんの), having too much body weight
(particularly of a child or young adult) slightly overweight in a way that is considered cute or charming rather than unhealthy or unattractive

ぽっちゃりしている, ふっくらしている
(of people or animals) weighing less than what is thought to be healthy for their body

痩せた (やせた),細い (ほそい), having little body weight
having a very low amount of body fat

痩せた (やせた), スリムな (すりむな)
(of a person) powerful with large well-developed muscles

筋肉質な, マッスルな
physically strong and muscular

強力な, 力強い
