My sentence is "The system was so badly designed that it has now become rickety. Even a minor change could cause the entire system to collapse". Rickety just doesn't seem to fit well.
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2"Fragile" might be better in some contexts.– Hot LicksCommented Oct 11, 2015 at 13:43
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2Unstable should work.– Joe DarkCommented Oct 11, 2015 at 13:47
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3Which synonyms have you considered and rejected?– JHCLCommented Oct 11, 2015 at 14:03
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You may say that the system is now "in unstable equilibrium" or that it may "collapse like a house of cards".– GraffitoCommented Oct 11, 2015 at 20:55
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I rather like rickety there, actually.– HellionCommented Oct 12, 2015 at 15:05
2 Answers
You can use "(extremely) unstable" in place of rickety. When you describe systems and computer-related hardwares and softwares which are not stable in operation, you use "unstable" which is defined in Wiktionary:
(1) Having a strong tendency to change. (2) Fluctuating; not constant. (3) Fickle. (4) Unpredictable.
You could use unstable or unsound. Fragile would also work. Rickety seems to fit better when referring to furniture or a stair-case.