Synonym: resistant, safe, tight. Similar words: proof, reproof, roof, fool, foolish, hit the roof, foolishly, fool around. Meaning: v. proof against human misuse or error. adj. not liable to failure.
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1 The system is pretty well foolproof.
2 The system is not 100 per cent foolproof.
3 This new video-recorder is supposed to be foolproof.
4 No system can ever be completely foolproof.
5 He tried to devise a foolproof plan for getting rid of termites.
6 I spent the day working out a foolproof plan to save him.
7 But no laboratory test is foolproof.
8 Condoms aren't a foolproof method of preventing pregnancy.
9 The Abrego henchmen hit on a seemingly foolproof idea.
10 It's foolproof, watertight,[www.Sentencedict.com] totally convincing.
11 The new speech recognition system is not absolutely foolproof, but it is a huge breakthrough.
12 The foolproof fuel system has interconnected front and rear fuselage flexible tanks holding 255 and 475 litres.
13 I like to cook recipes that foolproof, able to wait or take a moment to finish before serving.
14 They weren't foolproof but it made Sly feel slightly better to flip it on.
15 There's no foolproof way to judge whether someone is the right person for the job.
16 There is one foolproof way to rid yourself of this - take a cold shower.
17 First, no technology is foolproof, especially electronic technology; we still need very old-fashioned backup systems.
18 The form is simple and foolproof if you follow its wording and directions carefully.
19 A pasta book is a foolproof gift for anyone who cooks.
20 Even so, marriage is hardly a foolproof enforcer of monogamy.
21 The gang hit on a seemingly foolproof way of getting drugs into the country.
22 On the third day I devise a foolproof method: stomp them to death.
23 We're trying to work out a way to make the system foolproof.
24 I don't believe there's any such thing as a foolproof scheme for making money.
25 This again, though enjoying some success, could not be rated foolproof.
26 How quickiy we learned to avoid those folks who promise you almost instant wealth by selling you foolproof kits and promises.
27 These tips are intended to help, but should not be regarded as foolproof.
28 If these huts were strongly constructed, they made a foolproof prison for a flightless bird.
29 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. Douglas Adams 
30 The key, here, was not kept under a flowerpot or stone but in a more foolproof and elaborate hiding-place.
More similar words: proof, reproof, roof, fool, foolish, hit the roof, foolishly, fool around, fool's errand, racial profiling, uproot, environmental protection, dolphin, culprit, go off, hoof, aloof, let go of, total price, food, foot, malpractice, aloofness, on foot, legal principle, seafood, football, footing, food web, footwear.