Recent Examples on the WebNot only that, but navigationally, the trails were practically idiotproof.
Eben Weiss, Outside Online, 20 Nov. 2019 The eyeliner itself was great: essentially an actual marker, extremely idiotproof, thin enough to create a good cat’s-eye but thick enough to create the illusion of control in a chaotic universe.
Rachel Handler, Vulture, 23 Dec. 2021 Also, the automatic and the M550i's all-wheel system make a good launch nearly idiotproof.
Tony Quiroga, Car and Driver, 2 June 2021
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'idiotproof.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.