fail-safe

/feɪlsˈæf/ · 2 syllables

Meaning

adjective

1. guaranteed not to fail
   “a fail-safe recipe for cheese souffle”
2. 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”

noun

1. a mechanism capable of returning to a safe state in case there is a failure or malfunction

Synonyms for fail-safe

• secure
• safe

Words that rhyme with fail-safe

• staff
• half
• graph
• calf
• laugh
• paragraph
• autograph
• chaff
• gaff
• lithograph
• photograph
• allograph
• behalf
• choreograph
• epitaph
• flagstaff
• hectograph
• mimeograph
• spectrograph
• telegraph
• carafe
• gaffe
• giraffe
• monograph
• phonograph
• polygraph
• riffraff
• staph
• assaf
• bickerstaff