Dictionary

Type a word in English or Spanish. English is blue, Spanish is rose. Tap any line to hear it.

English

1. 🔊 eliminating danger by compensating automatically for a failure or malfunction
   “a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident”
2. 🔊 guaranteed not to fail
   “a fail-safe recipe for cheese souffle”
3. 🔊 a mechanism capable of returning to a safe state in case there is a failure or malfunction