 foolproof |
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| 1. | [ adjective ] not liable to failure | |
| Synonyms: | unfailing | |
| Examples: | "a foolproof identification system" "the unfailing sign of an amateur" "an unfailing test" |
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| Related terms: | infallible | |
| 2. | [ verb ] proof against human misuse, error, etc. | |
| Synonyms: | goof-proof goofproof | |
| Examples: | "Foolproof this appliance" |
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| Related terms: | proof | |
