Holy Grail

noun

Definition of Holy Grail

1 : grail

2 often not capitalized : an object or goal that is sought after for its great significance

Finding a cure for cancer is the holy grail of medical researchers.

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More Definitions for Holy Grail

Holy Grail

noun

: something that you want very much but that is very hard to get or achieve

: the cup that is said to have been used by Jesus Christ and that was sought by knights during the Middle Ages