Synonyms and Antonyms of fail-safe (fālsāf&stress;)

safeguarding safety foolproof guaranteed emergency trouble-free

thrive protective reliable firewall fail-over failsafe self-diagnostic automatic control

falsie ₉

fiefs ₁₁ fifes ₁₁ alefs ₈ alfas ₈ alifs ₈ fails ₈ false ₈ files ₈ fleas ₈ flies ₈ leafs ₈ aisle ₅ alias ₅

effs ₁₀ fief ₁₀ fife ₁₀ alef ₇ alfa ₇ alif ₇ fail ₇ feal ₇ fila ₇ file ₇ fils ₇ flea ₇ leaf ₇ lief ₇ life ₇ safe ₇ seif ₇ self ₇ aals ₄ ails ₄ alae ₄ alas ₄ ales ₄ asea ₄ ilea ₄ isle ₄ lase ₄ leas ₄ leis ₄ lias ₄ lies ₄ sail ₄ sale ₄ seal ₄ sial ₄

aff ₉ eff ₉ iff ₉ efs ₆ elf ₆ fas ₆ fes ₆ fie ₆ fil ₆ ifs ₆ aal ₃ aas ₃ ail ₃ ais ₃ ala ₃ ale ₃ als ₃ els ₃ las ₃ lea ₃ lei ₃ les ₃ lie ₃ lis ₃ sae ₃ sal ₃ sea ₃ sei ₃ sel ₃

ef ₅ fa ₅ fe ₅ if ₅ aa ₂ ae ₂ ai ₂ al ₂ as ₂ el ₂ es ₂ is ₂ la ₂ li ₂ si ₂