Breadcrumb Home > Thesaurus > P Synonyms of postscript Find synonyms for: Noun1. postscript, PS, note, annotation, notationusage: a note appended to a letter after the signature2. addendum, supplement, postscript, matterusage: textual matter that is added onto a publication; usually at the endWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of postscript (Dictionary) ✖ Related Content Daily Word Quiz: temporize Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language