ˈ ̷ ̷ˌ ̷ ̷ noun
or cardcastle ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷
( -s )
Usage: often attributive
Etymology: card (III) + house or castle
: a structure or situation felt to resemble a construction built of playing cards in being insubstantial, unsound, or in constant danger of collapse
a cardhouse plan that collapsed at the first test
— called also house of cards