foolproof
foohl proohf
- v proof against human misuse or error
foolproof this appliance - s not liable to failure
a foolproof identification system
- How does the X7 make foolproof crema? "Pressure--this is the old story," says Andrea Illy, 43, a grandson of the company's founder.
- The ad industry has already run into trouble with the Federal Trade Commission for doctoring Brand X to ensure foolproof inferiority.
- User reviews are helpful but not foolproof, so keep in mind the following tips: Read between the lines, asking yourself if the writer shares your mind-set, or if a negative .