/ Dictionary / Index E esterify: Meaning and Definition of Find definitions for: es•ter•i•fy Pronunciation: (e-ster'u-fī"), [key] — -fied, -fy•ing. to convert into an ester. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: esterify (Thesaurus) Esterhazy Estes Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language