/ Dictionary / Index W whosesoever: Meaning and Definition of Find definitions for: whose•so•ev•er Pronunciation: (hz"sō-ev'ur), [key] — pron. (the possessive case ofused as an attributive adjective): Whosesoever books are overdue will be fined. the one or ones belonging to whomsoever: Whosesoever are left here will be confiscated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whose whosever Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language