They say they need only sit inside their defenses while you wear yourselves out in futile attack.
His father’s words carried futility, a sense of fatalism that left the boy with an empty feeling in his chest.
With his mother beside him, Paul leaped for the door, seeing Idaho blocking the passage, his blood-pitted eyes there visible through a shield blur, claw hands beyond him, arcs of steel chopping futilely at the shield.
But this was a futile question.
And Paul saw how futile were any efforts of his to change any smallest bit of this.
There are no more uses of "futile" in the book.
Show samples from other sources
It was a futile effort that was doomed form the start.
Negotiations between the opposing parties are increasingly looking futile.