Origin: Latin prefix post-
Postscript has 4 different meanings across 1 category:
a note appended to a letter after the signature
"She added a postscript at the bottom of the envelope reminding him not to forget their dinner date."
textual matter that is added onto a publication; usually at the end
"The editor included a brief postscript in the newsletter to announce the upcoming charity drive."
An addendum to a letter, added after the author's signature.
"She scribbled a quick note in postscript below her name to remind him about tomorrow's meeting."
In plain English: A postscript is an extra note added to the end of a letter after it has already been written and signed.
"She added a postscript to her letter asking me to call back later."
Usage: A postscript is an addition written at the end of a letter after the main message and signature have been completed. Use this term for informal notes rather than formal legal amendments or official document updates.
To extend (a letter or another document) with additional remarks.
"She added a postscript to her email to remind him about the meeting time."
In plain English: To postscript means to add something extra at the very end of a message after you have already finished writing it.
"She postscripted her birthday card with a small drawing before sealing the envelope."
The word comes from the Latin phrase postscriptum, meaning "written after," which literally combines the words for "after" and "to write." It entered English as a term for additional text added at the end of a letter or document.