The tomb was built to be thief-proof, and has so far lived up to its reputation.

If there was anything worth finding, they must have reckoned, it would have been in George's thief-proof case.'

He opened the thief-proof locker where an essential part of the lock catch had been stored, to protect it from Sattell.

By the age of 13 he had won his first national contest, sponsored by Science and Invention magazine, for a thief-proof lock.

This chap is supposed to have all sorts of faith in human nature, and he barricades himself behind a lot of thief-proof doodads."

'Little plastic card you slip into the dash, this car is fully thief-proof, no grand theft auto for this boy.'

The foyer was all tinted mirror, concealed lighting and locked glass doors, with a light behind the intercom and a thief-proof welcome-mat.

The contest, sponsored by Science and Invention magazine, highlighted his invention--a thief-proof lock.

With satisfaction he locked a thief-proof steel wedge on the front wheel, and crossed the street to his real-estate office on the ground floor of the Reeves Building.

It didn't seem likely that they had burglar alarms fitted to a lodge, especially as there hadn't even been an attempt made to fit half-circle thief-proof sash latches.

If you insure all the property in your flat against theft, fire etc. you have less of an incentive to make the place thief-proof and to check over it carefully before going out or going to bed than if you were not insured.