necessary evil

At best, I can only see her death as a necessary evil.

I used to think it was a necessary evil of living in the city.

But the time for that necessary evil was almost over.

As though they were a necessary evil, only to be used when there was no other choice.

But transit officials say the work is a necessary evil.

The press gangs a necessary evil in time of war.

One official called dealing with his administration a necessary evil.

"War may sometimes be a necessary evil," he later added.

With no money set aside in the good times, cuts would be a necessary evil.

Even my own members see me as a necessary evil.