1.married ['mærid]
adj. 已婚的, 婚姻的, 密切结合的 n. 已婚者
当然married也是动词marry的过去式和过去分词
They married after a brief courtship.
2.get married 结婚,表示的是一种过程和动作
At present, I don't want to get married.
get在这里做动词用有点类似于be动词,married做形容词
3.marriage ['mæridʒ]
n.结婚, 婚姻, 紧密结合
His marriage is full of happiness.