1 a person who is untouchable is in a position where he/she is unlikely to be punished or criticized 不可处罚﹙或批评﹚的；管不了的: Given his political connections, he thought he was untouchable. 他有一些政界关系，所以自认为谁也管不了他。

2 that cannot be touched or changed by other people 不可触及﹙或改变﹚的: The department's budget is untouchable. 这个部门的预算是不容变动的。