Definition of hard–boil
: to cook (an egg) in the shell until both white and yolk have solidified
Origin and Etymology of hard–boil
back-formation from hard-boiled
First Known Use: 1653See Words from the same year
Learn More about hard–boil
Seen and Heard
What made you want to look up hard–boil? Please tell us where you read or heard it (including the quote, if possible).