When you spot those two familiar letters at the bottom of a correspondence, you're looking at a linguistic relic with a specific psychological pull. PS meaning letter isn't just about an afterthought scribbled in haste; it's a deliberate tool that writers use to steer attention, soften a blow, or drop a subtle emotional anchor right before the reader walks away.
Historically, the postscript originated from the Latin phrase post scriptum, meaning "written after." Before the era of digital word processors and easy edits, handwritten or typed letters were rigid commitments. If you finished writing, signed your name, and suddenly remembered an important detail, you couldn't just hit backspace or insert a new paragraph. You had to add it at the very bottom. Over time, this mechanical necessity transformed into a sophisticated copywriting and conversational tactic.
The Psychology Behind the Postscript
Human attention follows predictable patterns. When people read a letter or an email, their eyes scan the opening, skim the middle paragraphs, and land directly on the signature. Yet, studies in eye-tracking and reader behavior show that the eye naturally jumps straight from the signature to any text positioned below it. Writers quickly figured this out.
Instead of treating the postscript as a genuine accident, effective communicators use it as prime real estate. Because it sits at the absolute tail end of the message, it becomes the final thought that lingers in the reader's mind.
- The Emotional Pivot: A formal business letter might maintain a strict, objective tone throughout, only to close with a warm, casual postscript that humanizes the sender.
- The Urgency Hook: Direct-response copywriters routinely place their most compelling offer or call-to-action in the postscript because they know busy readers skip straight to the bottom.
- The Hidden Agenda: When someone writes an entire message about logistics and adds a personal note at the end, that final line often reveals what they actually cared about most.
According to historical insights from the Merriam-Webster Dictionary, abbreviations like these adapted smoothly from physical paper to digital screens without losing their punchy, emphatic nature.
How to Use PS Correctly in Modern Writing
While you can drop a postscript into almost any form of writing, specific contexts demand different approaches. Knowing when and how to deploy one separates amateur drafts from polished correspondence.
In Professional Emails
Corporate communication thrives on brevity. When you're sending a project update, your main body should cover timelines, budgets, and deliverables. A professional postscript works best when you need to highlight a single action item without cluttering the core message.
- Example: Drop a quick reminder about an upcoming deadline or link to a shared resource right below your sign-off.
- Rule: Keep it under two sentences. If it requires a paragraph of explanation, it belongs in the main body.
In Personal Notes and Letters
Personal correspondence relies on emotional resonance. When writing to a friend or family member, the postscript acts as a warm embrace or a casual check-in. It mimics the natural cadence of face-to-face conversation, where you linger at the doorway to share one last thought before leaving.
- Example: "PS: Let me know if you still have that camping gear we talked about."
- Rule: Let it feel natural and conversational rather than calculated.
Navigating Multiple Postscripts: PPS and Beyond
When one postscript isn't enough, writers sometimes stack them. This introduces the terms PPS and PPSS.
- PPS: Stands for post post scriptum, meaning "after the after-script." It is used for a second subsequent thought.
- PPSS: Stands for post post post scriptum, though stacking beyond two layers usually looks messy and disorganized.
Using more than two postscripts in modern communication generally signals poor organization. If you have three distinct extra points to make, it's smarter to integrate them back into the main body of your text or structure them as clean bullet points.
Common Mistakes to Avoid
Even though postscripts are casual by nature, certain formatting and stylistic errors can distract your reader.
- Misspelling the Abbreviation: Avoid writing "P.S." with lowercase letters mixed up or forgetting the periods. Standard English style guides prefer periods (P.S.), though modern digital shorthand frequently drops them (ps). Pick one style and stick to it throughout your document.
- Burying Critical Information: Never hide crucial instructions, passwords, or mandatory requirements in a postscript. If the reader misses it, your project stalls.
- Writing Essays: A postscript should feel like a quick whisper, not a shouting match. If it's longer than the preceding paragraphs, restructure your document.
For further reading on punctuation and abbreviation standards, you can consult the guidelines provided by The Chicago Manual of Style.
Frequently Asked Questions
What does PS stand for?
PS stands for post scriptum, a Latin phrase meaning "written after."
Is it necessary to use periods in P.S.?
Traditional grammar rules recommend using periods (P.S.), but many modern writers drop them in informal emails and text messages (ps) without losing clarity.
Can I use a postscript in a formal resume or cover letter?
It's generally best to avoid postscripts in formal job applications. Cover letters require structured, concise paragraphs where every sentence serves a direct purpose.
Why do copywriters love using postscripts?
Copywriters place key offers or discounts in the postscript because readers frequently scan to the bottom of a page before deciding to read the full text.
