Synonyms for futility

It was evident that Dick perceived the futility of argument.

As an instance of the futility of comparisons, I will mention one experience.

The futility of argument was apparent, and he turned and left the workshop.

But I want you to understand the futility of all you may think needful to tell me.

The sight produced in him a melancholy impression of immensity and futility.

As she seemed to find some comfort in it he did not attempt to convince her of its futility.

But the futility of such an outcry came to me simultaneously with the thought of it.

I did not discourage her; I did not speak of the futility of such a step.

We, I think, in these times, have had lessons enough of the futility of criticism.

But realising the futility of such a course, I held my peace and waited agonisedly.