/ Dictionary / Index Y Yankeefy: Meaning and Definition of Find definitions for: Yan•kee•fy Pronunciation: (yang'kē-fī", -ki-), [key] — -fied, -fy•ing. to cause to acquire Yankee traits or characteristics: She was afraid that a year in a Connecticut college had Yankeefied her speech. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yankee Doodle Yankeeism Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language