house of cards
hou·seof·cards
noun
1.
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”
2.
an unstable construction with playing cards
- “he built three levels of his cardcastle before it collapsed”
Related words
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.