Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) fail-safe (a mechanism capable of returning to a safe state in case there is a failure or malfunction)
Adjective
S: (adj) fail-safe (guaranteed not to fail) "a fail-safe recipe for cheese souffle"
S: (adj) fail-safe (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"