What Does PS Mean? Unraveling The Postscript Mystery

Christina Gerhold 26 Jun 2025

Have you ever scrolled to the end of an email or letter, just past the signature, and spotted those two unassuming letters: "P.S."? Perhaps you’ve even used them yourself, almost instinctively, to add a final thought or a piece of information that just didn't quite fit into the main body of your message. If you've ever paused to wonder, "What does PS mean?" or "Why do we even use it?", you're not alone. This seemingly simple abbreviation holds a rich history and a surprisingly practical purpose in our daily communications, bridging the gap between formal correspondence and casual digital chats.

In an age dominated by instant messaging and rapid-fire communication, the traditional elements of written correspondence might seem like relics of the past. Yet, the postscript, or P.S., has remarkably endured, adapting from handwritten scrolls to modern-day emails and even text messages. Understanding its origins, proper usage, and subtle nuances can elevate your writing, ensuring your messages are clear, complete, and effectively convey every intended detail, even those last-minute additions.

What Exactly Does PS Stand For?
The Historical Roots of the Postscript
Why Do We Use PS?
Formatting PS: A Matter of Style
- The Chicago Manual's Stance
- Is P.S. Incorrect?
Using PS in Modern Communication
- PS in Emails: A Digital Afterthought
- PS in Casual Texts: A Quick Remark
Examples of PS in Action
When to Use PS (and When Not To)
Beyond PS: Other Communication Nuances

What Exactly Does PS Stand For?

Let's get straight to the heart of the matter: what does PS mean? The answer is simple yet profound. PS is an abbreviation for "postscript." This term itself originates from the Latin phrase "post scriptum," which directly translates to "written after." So, when you see PS at the end of a message, it literally signals that what follows was written after the main body of the communication had already been completed and signed off. It’s an afterthought, a quick addition, or a piece of information that didn't quite make it into the initial draft.

The beauty of the postscript lies in its ability to add brief remarks that are not directly related to the main message, or to reiterate a crucial point for emphasis. It serves as a handy tool for appending additional information at the very end of a letter or after the main body of an email. Understanding this fundamental meaning of PS is the first step in mastering its correct usage across various communication forms.

The Historical Roots of the Postscript

To truly appreciate what PS means today, we need to take a step back in time. The postscript dates back to an age when letters were handwritten or meticulously typed out on a typewriter. Imagine the effort involved in crafting a letter in those days: selecting the right paper, dipping the quill in ink, carefully forming each word, or painstakingly hitting each key on a mechanical typewriter. Mistakes were costly. A forgotten detail meant either rewriting the entire letter or, more practically, adding a quick note at the very end.

In such a context, the postscript was an invaluable invention. It provided a convenient way to include an additional thought or information without having to revise the entire document. This practical necessity solidified its place in written communication. From formal correspondence between dignitaries to personal letters exchanged between loved ones, the PS became a universally understood signal that there was just one more thing the sender wanted to convey. This historical context underscores the inherent utility and adaptability of the postscript, allowing it to seamlessly transition into the digital age.

Why Do We Use PS?

Beyond its historical convenience, the postscript serves several practical purposes in modern communication. Primarily, it's used when you want to add extra information at the end of a letter or email that you either forgot to include earlier or that came to mind after you'd already drafted the main message. It’s a natural human tendency to remember things at the last minute, and PS provides a graceful way to incorporate these afterthoughts.

Secondly, a PS can be used for emphasis. Because it stands apart from the main text, it often catches the reader's eye. This makes it an excellent spot for a crucial reminder, a call to action, or a surprising piece of news that you want to ensure doesn't get lost in the body of the message. For instance, a sales email might use a PS to highlight a limited-time offer, or a personal letter might use it to share a significant update. The very act of placing information in a PS implies a certain level of importance or an intriguing twist, compelling the reader to pay closer attention to what does PS mean in that specific context.

Formatting PS: A Matter of Style

While understanding what PS means is straightforward, its formatting can sometimes lead to confusion. Should it be P.S. with periods, or simply PS without? Does capitalization matter? The good news is that both forms are widely accepted, but there are preferred styles depending on the context and the guide you follow.

The Chicago Manual's Stance

For those who adhere to formal style guides, The Chicago Manual of Style offers clear guidance. The Chicago Manual is clear that writing "PS" in all capitals does not require periods. This means "PS" is the preferred formatting according to this widely respected authority. This streamlined approach reflects a move towards simplicity and efficiency in modern typography, especially in digital contexts where brevity is often valued.

Is P.S. Incorrect?

Keep in mind, this does not mean that writing "P.S." like this, with periods, is incorrect. In fact, "P.S." with periods has been the traditional and widely recognized format for a long time, particularly in more formal or traditional correspondence. It’s a remnant of older abbreviation styles where periods were used to indicate omitted letters. Many people still use "P.S." out of habit or preference, and it is perfectly understandable. This just means that it’s not the preferred formatting according to the Chicago Manual, which leans towards "PS" for conciseness. Ultimately, consistency within your own communication is key. Whether you choose "PS" or "P.S.", stick with it throughout your message.

Using PS in Modern Communication

The postscript has seamlessly transitioned from paper to pixels, proving its enduring utility. While its origins are rooted in the physical act of writing, what does PS mean in the digital realm? It largely retains its core function: to add a final thought. However, its application has evolved to suit the speed and informality of digital platforms.

PS in Emails: A Digital Afterthought

In emails, PS is an abbreviation for "postscript" and comes from the Latin term "post scriptum," meaning "written after." Additional information is added at the end of a letter or after the main body of an email. It appears after the main body has been completed and signed. This is particularly useful in emails where you might have drafted the entire message, hit "send," and then suddenly remembered a crucial detail or a witty remark you wanted to include. Instead of sending a follow-up email or editing the original, a quick PS can do the trick. It’s also often used in marketing emails to add a last-minute call to action or a special offer that stands out from the main content.

PS in Casual Texts: A Quick Remark

Even in the hyper-casual world of text messages, the spirit of the PS lives on, though often without the formal "PS" abbreviation itself. People use it to indicate an additional thought or piece of information added to the end of a letter, email, or other written communication. You might see someone write, "I was just at the store and ps, the clothing options weren't cute at all." Here, "ps" functions as a casual, conversational interjection, serving the same purpose as its more formal counterpart: to tack on a quick, related thought. This adaptability shows how deeply ingrained the concept of the postscript is in our communication habits, regardless of the medium.

Examples of PS in Action

Seeing PS in various contexts helps solidify our understanding of what does PS mean and how to use it effectively. Here are some examples of how to use PS, demonstrating its versatility:

In a personal letter:
"Sincerely,
[Your Name]
PS: I love you. I was invited to Maria's wedding, and I hope you can make it too!"
(Here, the PS adds a personal sentiment and an important update.)
In a professional email:
"Best regards,
[Your Name]
PS: Please remember to submit your reports by Friday COB."
(This PS serves as a concise, final reminder for a crucial task.)
In a casual text message:
"She didn't invite Chad. I was just at the store and ps, the clothing options weren't cute at all."
(This demonstrates the informal, conversational use of "ps" to add a quick observation.)
In a marketing communication:
"Thank you for your continued support,
The [Company Name] Team
PS: Don't miss our flash sale ending tonight! Use code SAVE20 at checkout."
(This PS is used for a clear, urgent call to action, designed to grab attention.)

These examples illustrate that PS is a short remark or message added at the end of a letter or email, designed to catch the reader's eye and convey additional, often important, information.

When to Use PS (and When Not To)

Knowing what PS means is one thing; knowing when to deploy it is another. The postscript is a powerful tool, but like any tool, it should be used judiciously. Its primary function is for an afterthought, a piece of information that comes to mind after the main message is complete, or a brief remark not directly integrated into the primary flow of communication. It's excellent for adding a personal touch, a quick reminder, or a piece of news that arrived just as you were finishing your message. Learn how to use ps correctly in letters, emails, and other digital communications with examples and tips.

However, there are times when a PS might not be the best choice. If the information you want to add is crucial to the main topic of your message, it's generally better to integrate it into the body of the letter or email. Relying too heavily on PS for essential details can make your communication seem disorganized or as if you're an afterthought. Similarly, in highly formal documents or legal communications, a PS is usually inappropriate, as every piece of information should be carefully structured and placed within the main text. The key is to use PS when it truly serves as an "afterthought" or a distinct, supplementary point, rather than a substitute for proper message organization. Learn how to write and use ps correctly in different contexts, such as letters, emails, and texts, and see examples of ps in action.

Beyond PS: Other Communication Nuances

Letter writing has been an art form for many centuries, evolving with societal norms and technological advancements. The postscript is just one of many fascinating elements that contribute to the richness and complexity of written communication. From "X" and "O" meaning hugs and kisses, respectively, to the intricacies of deciding what salutation to use in a letter ("Dear," "To Whom It May Concern," etc.), every component plays a role in conveying tone, intent, and relationship dynamics.

Understanding these nuances, including what does PS mean and how it functions, allows for more effective and thoughtful communication. It's about more than just transmitting information; it's about connecting with your reader, respecting conventions, and sometimes, cleverly bending them. Whether you're drafting a formal business email or a heartfelt personal note, being aware of these subtle tools in your communication arsenal can significantly enhance your message's impact and clarity. The addendum, like the postscript, serves a similar purpose of adding supplementary information, further emphasizing the human need to clarify or expand upon initial thoughts.

Conclusion

In summary, "PS" stands for postscript, derived from the Latin phrase "post scriptum," meaning "written after." It's an abbreviation of the Latin term "postscriptum," which translates to "written after." This simple abbreviation serves as a powerful tool for adding an additional thought, a brief remark, or a piece of information at the very end of a letter, email, or other written communication, appearing after the main body has been completed and signed. Its origins trace back to the practicalities of handwritten and typewritten correspondence, where adding an afterthought was easier than rewriting an entire document.

Today, whether you opt for "PS" or "P.S.", its function remains consistent: to provide a final, often attention-grabbing, detail. From formal emails to casual texts, the postscript continues to be a relevant and effective way to ensure your message is complete and impactful. So, the next time you find yourself with a last-minute thought, remember the power of the PS. It's a small detail that can make a big difference in how your message is received. What does PS mean for your communication? It means clarity, emphasis, and a touch of human spontaneity.

We hope this deep dive into the meaning and usage of PS has been insightful! Do you use PS often in your emails or texts? Share your thoughts and favorite ways to use the postscript in the comments below. And if you found this article helpful, consider sharing it with friends or exploring our other guides on effective communication!

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