Postscript

Alternative forms

• post script; post scriptum; postscriptum; PS, P.S., p.s.

Origin

New Latin la, from Latin, neuter of postscriptus, past participle of postscribo (" write after"), from post ("after") + scribo ("write")

Full definition of postscript

Noun

1. (countable) An addendum to a letter, added after the author’s signature.
2. (countable) An addition to a story, play, etc.

Usage notes

In a letter, to indicate the beginning of a postscript one often uses the abbreviation P.S. followed by a colon.

Verb

1. To extend (a letter etc.) with additional remarks.