an unpleasant or disastrous destiny; "everyone was aware of the approaching doom but was helpless to avoid it"; "that's unfortunate but it isn't the end of the world"
make certain of the failure or destruction of; "This decision will doom me to lose my position"
a state of extreme (usually irremediable) ruin and misfortune; "lack of funds has resulted in a catastrophe for our school system"; "his policies were a disaster"