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Definition of house of cards noun from the Oxford Advanced Learner's Dictionary

house of cards

noun
 
/ˌhaʊs əv ˈkɑːdz/
 
/ˌhaʊs əv ˈkɑːrdz/
[singular]
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  1. a plan, an organization, etc. that is so badly arranged that it could easily fail
    • The enormous national debt amassed in the last eight years makes all this apparent prosperity nothing but a house of cards.
    Topics Difficulty and failurec2
  2. a structure built out of playing cards
See house of cards in the Oxford Advanced American Dictionary
previously
adverb
 
 
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