WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / foolproof foolproof adjectiveverb /fulpruf/ 2 syllables 9 letters Scrabble 17 WWF 19 Definitions adjective not liable to failure “a foolproof identification system” unfailing verb proof against human misuse or error “foolproof this appliance” goof-proofgoofproof Look “foolproof” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →