'house of cards' definitions:

Definition of 'house of cards'

(from WordNet)
noun
A speculative scheme that depends on unstable factors that the planner cannot control; "his proposal was nothing but a house of cards"; "a real estate bubble" [syn: house of cards, bubble]
noun
An unstable construction with playing cards; "he built three levels of his cardcastle before it collapsed" [syn: house of cards, cardhouse, card-house, cardcastle]

Synonyms of 'house of cards'

From: Moby Thesaurus

Words containing 'house of cards'