1.
If something is ~ to happen, or if you are ~ to a particular state, something unpleasant is certain to happen, and you can do nothing to prevent it.
Their plans seemed ~ to failure...
ADJ: v-link ADJ, ADJ to n, ADJ to-inf
2.
Someone or something that is ~ is certain to fail or be destroyed.
I used to pour time and energy into projects that were ~ from the start.
ADJ