Meanings
adjectivefailproof (comparative more failproof, superlative most failproof)
comparative more failproof · superlative most failproof
- Resistant to failure; that cannot go wrong.
Near-synonyms: foolproof, idiot-proof
Synonyms: failureproof, foolproof, idiot-proof
Synonyms & antonyms
adjectiveResistant to failure; that cannot go wrong.
Also see
Origin
Cite this entry
APA
failproof. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/failproof
MLA
“failproof.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/failproof. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “failproof,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/failproof.
Source: failproof on Wiktionary, CC BY-SA 4.0.