If one thing or person is incompatible with another, they are very different in important ways, and do not suit each other or agree with each other.
mismatched , unsuited
They feel strongly that their religion is incompatible with the political system.
他们强烈地感到他们的宗教信仰与政治体制格格不入。
His behaviour has been incompatible with his role as head of state.
他的行为已与国家元首的身份不符。
We were totally incompatible.
我们完全格格不入。
If one type of computer or computer system is incompatible with another, they cannot use the same programs or be linked up.
This made its mini-computers incompatible with its mainframes.
这使得它的微型电脑与其主机不兼容。