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  1. Dictionary
    fool·proof
    /ˈfo͞olˌpro͞of/

    adjective

    • 1. incapable of going wrong or being misused: "a foolproof security system"

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    More definitions, origin and scrabble points

  2. www.thesaurus.com › browse › foolproof19 Synonyms & Antonyms for FOOLPROOF | Thesaurus.com

    Find 19 different ways to say FOOLPROOF, along with antonyms, related words, and example sentences at Thesaurus.com.

  3. www.merriam-webster.com › thesaurus › foolproofFOOLPROOF Synonyms: 20 Similar and Opposite Words -...

    Synonyms for FOOLPROOF: perfect, flawless, reliable, infallible, sure, unfailing, unerring, certain; Antonyms of FOOLPROOF: defective, imperfect, faulty, flawed, unreliable, undependable, fallible

  4. www.wordhippo.com › what-is › another-word-forWhat is another word for foolproof? | Foolproof Synonyms -...

    Find synonyms for foolproof, a word that means incapable of going wrong or being misused. Browse lists of similar words for different contexts, such as adjectives, nouns, and idioms.

  5. dictionary.cambridge.org › thesaurus › foolproofFOOLPROOF - 48 Synonyms and Antonyms - Cambridge English

    Go to the thesaurus article about these synonyms and antonyms of foolproof. Learn more If something is easy , it does not require much effort or thought to do or understand.

  6. www.powerthesaurus.org › foolproof › synonymsFoolproof synonyms - 341 Words and Phrases for Foolproof - Power...

    Find different ways to say foolproof, such as infallible, unfailing, dependable, reliable, and more. Browse the list of 331 words and phrases for foolproof and their meanings on PowerThesaurus.org.

  7. www.powerthesaurus.org › foolproofFOOLPROOF in Thesaurus: 100+ Synonyms & Antonyms for FOOLPROOF

    Find over 100 words that mean the same or the opposite of FOOLPROOF, a word that describes something that cannot be defeated or failed. See examples of how to use FOOLPROOF in sentences and related phrases.

  8. thesaurus.yourdictionary.com › foolproofFoolproof Synonyms: 10 Synonyms and Antonyms for Foolproof ...

    Synonyms for FOOLPROOF: fail-safe, infallible, dependable, certain, unfailing, effective, sure-fire, sure, goofproof, goof-proof.