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This article is about the abbreviation. For the programming language, see PostScript. For other uses, see Postscript (disambiguation).
"P.S." redirects here. For other uses, see PS (disambiguation).

A postscript (P.S.) is an afterthought, thought of occurring after the letter has been written and signed.[1] The term comes from the Latin post scriptum, an expression meaning "written after"[2][3] (which may be interpreted in the sense of "that which comes after the writing").

A postscript may be a sentence, a paragraph, or occasionally many paragraphs added to, often hastily and incidentally, after the signature of a letter or (sometimes) the main body of an essay or book. In a book or essay, a more carefully composed addition (e.g., for a second edition) is called an afterword. The word "postscript" has, poetically, been used to refer to any sort of addendum to some main work, even if it is not attached to a main work, as in Søren Kierkegaard's book titled Concluding Unscientific Postscript. Sometimes, when additional points are made after the first postscript, abbreviations such as PSS (post-super-scriptum), PPS (postquam-post-scriptum) and PPPS (post-post-post-scriptum, and so on, ad infinitum) are used, though only PPS has somewhat common usage.

See also[edit]


  1. ^ International Correspondence Schools; et al. (1905). English Grammar, Punctuation and Capitalization, Letter Writing. Scranton: National Textbook Company.  §21 p. 33
  2. ^ Sullivan, Robert Joseph (1877). Joyce, Patrick Weston, ed. A dictionary of the English language. Dublin; Original from Peshawar University: Sullivan, Brothers; et al. pp. 317 & 509. 
  3. ^ Tanner, William Maddux (1922). Composition and Rhetoric. Original from the University of California: Ginn & Co. xxvii.