But they were blank, probably because the ship's speed made them effectively useless.

Campbell's lower harness mounts had failed and were found to be effectively useless.

Stokes argues the law has four weaknesses which make it effectively useless.

Most economists agreed that they were effectively useless, and at best will delay another collapse like the one happening as I write.

He was given a medical discharge and sent home to recover with an effectively useless right arm.

As both fire and technology can be used outside the blue time, Jessica's power is effectively useless in regular-time.

So we're effectively useless at saying who actually committed the attack.

But this raised the problem that one eye was always looking down into the sand and was effectively useless.

That made them effectively useless against moving targets, like submarines and ships.

The cheap ones would take a few seconds to turn on and were effectively useless at night for the first minute.