/ Dictionary / Index J jellify: Meaning and Definition of Find definitions for: jel•li•fy Pronunciation: ( jel'u-fī"), [key] — v., -fied, -fy•ing. —v.t. to make into a jelly; reduce to a gelatinous state. —v.i. to turn into jelly; become gelatinous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jellify (Thesaurus) jellied Jell-O Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language