idiot-proof - definition and synonyms

verb [transitive] informal 

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/ˈɪdiət ˌpruːf/
present tense
I/you/we/theyidiot-proof
he/she/itidiot-proofs
present participleidiot-proofing
past tenseidiot-proofed
past participleidiot-proofed
  1. to make something so easy to use that it is impossible to use it wrongly

    You can't idiot-proof everything because idiots are so damn ingenious.