• Webster's Revised Unabridged Dictionary
    • n Yankeeism A Yankee idiom, word, custom, or the like.
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Century Dictionary and Cyclopedia
    • n Yankeeism Yankee ways or characteristics.
    • n Yankeeism A locution or a practice characteristic of Yankees, specifically of the inhabitants of New England.
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Chambers's Twentieth Century Dictionary
    • n Yankeeism Yankee characteristics
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Chambers's Twentieth Century Dictionary
Perh. a corr. of English, or of Fr. Anglais, by the North American Indians.


In literature:

Others are Yankeeisms or vulgarisms; others, again, such as the expression 'turning cuffums,' i.e.
"West Indian Fables by James Anthony Froude Explained by J. J. Thomas" by J. J. (John Jacob) Thomas
This spirit of 'Yankeeism' is the prevailing spirit of colonies.
"The Bushman" by Edward Wilson Landor
In Winslow Homer we have yankeeism of the first order, turned to a creditable artistic account.
"Adventures in the Arts" by Marsden Hartley
I am afraid you are too full of Yankeeism, Marjorie.
"Hanover; Or The Persecution of the Lowly" by David Bryant Fulton
And five years is long enough for an experiment, and to prove the success of transcendental Yankeeism.
"The Works of Robert Louis Stevenson - Swanston Edition Vol. 3 (of 25)" by Robert Louis Stevenson
I know you will say, therein lies the cause of my sudden conversion to Yankeeism.
"The Kentuckian in New-York, Volume I (of 2)" by William Alexander Caruthers