See definition of fail-safe on

synonyms for fail-safe

On this page you'll find 12 synonyms, antonyms, and words related to fail-safe, such as: sound, covered, foolproof, protected, reliable, and reliant.

How to use fail-safe in a sentence

  • My Social Chef recommends the perfect, fail-safe roast chicken recipe.

    The Perfect Roast Chicken | Petrit Husenaj | October 20, 2010 | THE DAILY BEAST
  • Internally, the communications beam to Thule Base had been interrupted; and the fail-safe had not failed-safely.

    Where I Wasn't Going | Walt Richmond
  • It designed ingenious models, devised foolproof laws, imposed fail-safe institutions and strongly "recommended" measures.

    After the Rain | Sam Vaknin

Synonym of the Day