/ Dictionary / Index J Jespersen: Meaning and Definition of Find definitions for: Jes•per•sen Pronunciation: (yes'pur-sun, jes'-), [key] 1860–1943, Danish philologist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jespersen (Thesaurus) Jerusalem thorn jess Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language