Obesity
noun, verbal noun, の adjective
Does being obese mean you're always full? Of course not. But clearly that's what the people who coined the Japanese word for obesity thought... You can see there are some implicit biases in these kanji!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
肥満の主な原因は、おそらく運動不足でしょうね。
The main cause of my obesity is probably lack of exercise.
とうにょう病は、肥満が原因で起こる病気の一つです。
Diabetes is one of the diseases that obesity can cause.
あの肥満上司が、私たちに対する全権限を持っていて、先週は二名を解雇しやがったんだよ。
That obese boss has authoritative power over us and he terminated two workers last week.