house of cards

Definitions of house of cards
1

n an unstable construction with playing cards

Synonyms:
card-house, cardcastle, cardhouse
Type of:
construction, structure
a thing constructed; a complex entity constructed of many parts

n a speculative scheme that depends on unstable factors that the planner cannot control

“his proposal was nothing but a house of cards
Synonyms:
bubble
Type of:
scheme, strategy
an elaborate and systematic plan of action

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