more foolproof

foolproof

[fool-proof]
adjective
1.
involving no risk or harm, even when tampered with.
2.
never-failing: a foolproof method.

Origin:
1900–05, Americanism; fool1 + -proof

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To more foolproof
Collins
World English Dictionary
foolproof (ˈfuːlˌpruːf)
 
adj
1.  proof against failure; infallible: a foolproof idea
2.  (esp of machines) proof against human misuse, error, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

foolproof
1902, Amer.Eng., "safe against the incompetence of a fool," from fool (n.) + proof (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;