Guaranteed to work

Usage examples of foolproof.

But there is never any foolproof guarantee in these cases: so I caught gonorrhoea once again.

The lie-detector de­vice, which analyzes blood flow and electrical activity in the brain, was officially tested and certified as foolproof last August, and immediately approved for judicial system usage.

Here came the gravelly catch in the throat, burlesqued by a hundred night-club comedians in search of something foolproof to caricature.

Corky said, heaving a sigh, "if the fusion crust and chondrules don't convince you, we astronomers have a foolproof method to confirm meteoric origin.

Passive, foolproof, and not recommended for claustrophobes, they were very cost-effective in saving lives—when adequate pick-up ships arrived in time.

Knowing the way he'd stalked and planned Anne's murder, she suspected he wouldn't kill out of passion or rage but ruthlessly, coldbloodedly with a meticulously planned, foolproof scheme.

They knew how every last word could be twisted, stretched, decontextualised, recontextualised and wilfully misread, so they stuck tightly to a guaranteed foolproof script of opinions, policies and statements, and otherwise talked without saying anything.

The grandfather, using his personal code in turn, had unlocked the access controls and had invited the computer to make its own foolproof recording of Rod, so that Roderick Frederick Ronald Arnold William MacArthur McBan CLI would be forever known to the machine, no matter what age he attained, no matter how maimed or disguised he might be, no matter how sick or forlorn he might return to the machine of his forefathers.

It combines James Dean, Porfiro Rubirosa and a teen-age bank clerk with a foolproof embezzlement scheme.

Foolproof burglar alarms went off by accident and truculent motorists swaggered in flourishing certificates of insurance which they'd been ordered to produce after that little accident last night.

Since the foolproof Nuclear Shields, conventional warfare had evaporated.

There it had swung for fifteen silent years while the problems presented by the decision to make its machinery foolproof and enduring had been formulated and solved.

His tireless search for a foolproof industrial management job had ended only in a government appointment, but it had not impaired his ability to count cadence.

This ceremony had been rehearsed three times since dawn and it passed off perfectly well: the barge hooked on, the white-gloved sideboys ran down with baize-covered manropes to make the ascent almost foolproof, the bosun and his mates sprung their calls, the Diane's forty marines, red as lobsters and perfect to the last button, presented arms with a fine simultaneous clash as the Governor and the envoy came aboard, welcomed by Captain Aubrey and all his officers in their best uniforms.

The plan’s foolproof, and it won’t depend on some toad-spotted traitor to make it work.