American English

Definition of the sixty-four thousand dollar question noun from the Oxford Advanced American Dictionary

 

the sixty-four thousand dollar question

 noun
noun
 
(informal)
 
jump to other results
the thing that people most want to know, or that is most important It's a clever plan, but the sixty-four thousand dollar question is: Will it work? From the name of a U.S. television show of the 1950s that gave prizes of money to people who answered questions correctly. The correct answer to the last question was worth $64,000. (The original term was the $64 question, from a radio show of the 1940s, in which the top prize was $64.)
See the Oxford Advanced Learner's Dictionary entry: the sixty-four thousand dollar question