fail-safe

Noun fail-safe has 1 sense

• fail-safe(n = noun.artifact) Array - a mechanism capable of returning to a safe state in case there is a failure or malfunction; Array
is a kind of mechanism

Adjective fail-safe has 2 senses

• fail-safe(s = adj.all) Array - guaranteed not to fail; "a fail-safe recipe for cheese souffle"
• fail-safe(s = adj.all) Array - 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"