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fail safe

see definition of fail safe
  • as insure-fire
  • as infail-safe
  • as infoolproof
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Synonyms for fail safe

adj dependable
  • foolproof
  • certain
  • excellent
  • fail-safe
  • good
  • infallible
  • reliable

More words related to fail safe

surefire

adjective. dependable
  • certain
  • excellent
  • fail-safe
  • foolproof
  • good
  • infallible
  • reliable
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.