inefficacious

I signed because I wanted to see if a new approach might save me from the miseries of standard treatments that had proven inefficacious.

Meanwhile, the public has received only dribs and drabs of the investigation’s contents — all of which affirm the appropriately established understanding that the CIA’s post-9/11 use of torture was rampant and inefficacious.

The report is an important recognition that this preemptive, prefigurative mode of policing and surveillance is not only unconstitutional, but also practically inefficacious if the aim is preventing terror attacks.

The report is an important recognition that preemptive, prefigurative mode of policing and surveillance is not only unconstitutional, but also practically inefficacious if the aim is preventing terror attacks.

Every argument was brought forward to induce him to stay in La Rochelle, but every argument proved inefficacious.