American Dictionary
Definition the $64,000 question in American English
the $64,000 question noun
[singular] noun
/ˌsɪkstifɔrθaʊz(ə)nd dɑlər ˈkwestʃ(ə)n/
From a popular U.S. TV game show in the 1950s called The $64,000 Question on which people could win up to $64,000 by answering more and more questions correctly.
1
a question that is the most important and most difficult to answer concerning a particular problem or situation
