/ Dictionary / Index H hereinafter: Meaning and Definition of Find definitions for: here•in•af•ter Pronunciation: (hēr"in-af'tur, -äf'-), [key] — adv. afterward in this document, statement, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hereinafter (Thesaurus) herein hereinbefore Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language