foolproof

The system was very close to foolproof, if he did say so himself.

The economic effects of religious law, however, are not foolproof.

For one thing, the idea, if it worked, would be foolproof.

Still, she had made her plan and believed it to be foolproof.

That in a free and open society, no security measures are foolproof.

A foolproof guide to who does what, where, when and how.

Any fool could try to come up with a foolproof plan.

But the officials acknowledged that the system is not foolproof.

If we go this route, a foolproof plan must be made.

Was there a foolproof strategy for getting a good deal online?

Still, no system is foolproof, especially one not yet fully formed.

"Only an idiot would say no to such a foolproof plan."

"I started with the black because Darcy said it was foolproof."

"We're not foolproof but we have a pretty good record of accuracy."

Everything must be foolproof before you take off for space!"

There would be a battle tomorrow and her plan was foolproof.

But first he needed time to formulate a foolproof plan.

But the use of an employee stock plan is not a foolproof defense.

She had used the disguise often, but for the first time, it was foolproof.

Her response would seem to be foolproof: She's no actress.

Although the effect can be breathtaking, it is far from foolproof.

Nonetheless, it is the most foolproof system available, he added.

He had 20 pieces of bait now and they were foolproof.

This is not foolproof, but it can help you assess an author.

As any eight year old knows this is not a foolproof trick.