"traditional definition" is correct and can be used in written English.
Example sentence: The traditional definition of success is often measured by wealth and material possessions.
In fact, the traditional definition asserts the opposite.
Clearly, the traditional definition of constipation didn't fit.
Liz has always believed in the traditional definition of marriage".
But the traditional definition of smart highway systems, using microchips, also holds promise.
By the traditional definition, brasseries in France are beer-centered, while bistros feature wine.
"I do believe in the traditional definition of marriage," Liz said on Fox News Sunday.
And it is the latest challenge to the traditional definition of a book.
K. Anthony Appiah agrees that the traditional definition has been too narrow.
By "roots," Bush had in mind marriage's traditional definition as male-female.
Look it up in a dictionary and you will find the traditional definition firmly in place.
Such ruthless self-centredness on the part of rulers fits the traditional definition of tyranny.
