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Meaning of whosesoever

whose•so•ev•er

Pronunciation: (hz"sō-ev'ur), [key]
— pron.
  1. (the possessive case ofused as an attributive adjective): Whosesoever books are overdue will be fined.
  2. 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.