Per Se vs. Per Say: Correct Spelling and Meaning

If you’ve ever paused mid-sentence wondering whether to write “per se” or “per say,” you’re not alone. This mix-up is one of the most common spelling errors in English, mostly because the phrase is heard far more often than it’s read. Here’s the short answer before we dive in: the correct spelling is “per se.” “Per say” is not a word or phrase at all — it’s simply a misspelling based on how “per se” sounds.

In this guide, you’ll learn exactly what “per se” means, why “per say” trips people up, how to use the phrase correctly in a sentence, and where it shows up in everyday writing, law, and pop culture.

What “Per Se” Really Means

“Per se” is a Latin phrase that translates literally to “by itself” or “in itself.” As an adverb, it’s used in English to describe something considered on its own, without reference to anything else around it.

When someone says something isn’t “bad per se,” they mean that, taken by itself, it isn’t bad — even if the broader situation might complicate things. It’s a small phrase that does a big job: it helps writers and speakers avoid making sweeping generalizations.

Core meaning at a glance:

Term	Meaning	Origin
Per se	By itself; in itself; intrinsically	Latin
Per say	No meaning; incorrect spelling	N/A

Why “Per Say” Is Incorrect

“Per say” has no linguistic origin, no dictionary entry, and no formal meaning. It’s a phonetic spelling — someone hears “per se” and writes it the way it sounds, combining two familiar English words: “per” and “say.”

The problem is that “se” in Latin is pronounced like the English word “say,” which creates a trap for writers who haven’t seen the phrase written down. No major dictionary — not Merriam-Webster, not Oxford, not Dictionary.com — lists “per say” as an accepted variant. It’s simply wrong.

Why the Mistake Happens

The confusion isn’t really about grammar — it’s about sound. A few factors make this error so common:

Pronunciation overlap – “Se” and “say” sound nearly identical in casual speech.
Unfamiliarity with Latin – Most English speakers never formally study Latin, so the spelling isn’t intuitive.
Auditory learning – Many people pick up the phrase from conversation or media rather than reading it first.
Autocorrect gaps – Some spell-checkers don’t flag “per say” because “say” is a valid English word on its own.

Because the phrase is heard so much more than it’s read, the ear ends up guiding the pen — and the ear gets it wrong.

Per Se or Per Say in a Sentence

Seeing the phrase in context makes the correct usage click. Here are some natural examples:

I don’t dislike coffee per se, I just prefer tea in the mornings.
The plan isn’t flawed per se, but it needs a stronger timeline.
She isn’t unqualified per se — she simply lacks experience in this niche.
The rule doesn’t ban the activity per se; it restricts how it’s done.

Notice that in every case, “per se” clarifies that something is true in isolation, even if a bigger picture adds nuance.

Understanding Correct Usage

“Per se” typically appears right after the word or phrase it modifies, often set off by commas. It signals: “considered on its own, without outside factors.”

A helpful way to test your sentence: if you can mentally replace “per se” with “by itself” or “in and of itself” and the sentence still makes sense, you’re using it correctly.

✅ The idea isn’t bad, per se, but the execution needs work.
✅ Correct → The idea isn’t bad by itself, but the execution needs work.

Grammar Rules and Style Tips

A few quick style notes will help you use “per se” cleanly and confidently:

Placement – Place it immediately after the term it qualifies for the clearest meaning.
Punctuation – Commas around “per se” are optional but often improve readability, especially in longer sentences.
Italics – Some style guides (especially in academic or legal writing) italicize “per se” since it’s a foreign-language term; most everyday writing treats it as a naturalized English phrase and leaves it unitalicized.
Formality – “Per se” reads as slightly formal or intellectual, so use it sparingly in casual writing.
Overuse – Like any distinctive phrase, repeating it too often in one piece of writing weakens its impact.

Per Se or Per Say Slang

In casual spoken English, “per se” is sometimes stretched beyond its dictionary meaning to loosely mean “exactly” or “necessarily” — as in, “That’s not what I meant, per se.” This isn’t the technically precise usage, but it’s common in informal speech.

“Per say,” on the other hand, has never developed any slang meaning of its own. It remains purely a misspelling, in both casual and formal contexts.

Common Contexts Where “Per Se” Appears

“Per se” shows up across a wide range of writing styles and industries:

Everyday conversation – Clarifying personal opinions (“I don’t hate the movie per se…”)
Legal writing – Referring to something illegal or wrongful “in itself” (see the FAQ on “per se rule” below)
Academic and journalistic writing – Avoiding overgeneralized claims
Business communication – Softening critical feedback (“The proposal isn’t weak per se…”)

Historical and Linguistic Context

“Per se” comes directly from Latin, where “per” means “through” or “by,” and “se” is a reflexive pronoun meaning “itself.” Together, the phrase has meant “by itself” since classical Latin usage and was absorbed into English (as well as many other European languages) through legal and scholarly writing centuries ago.

Latin phrases like “per se,” “ad hoc,” and “status quo” survived in English largely because early law, science, and academia relied heavily on Latin terminology — and many of these phrases stuck around long after Latin itself fell out of everyday use.

Sound Traps and Mispronunciations

Because “per se” is pronounced “per-say,” it’s easy to see how the spelling gets scrambled. Other Latin- and foreign-origin phrases suffer from similar sound traps:

Correct Phrase	Common Misspelling	Reason
Per se	Per say	Sounds identical when spoken
Segue	Segway	Homophone confusion with brand name
Vis-à-vis	Viz a vis	Unfamiliar French spelling
Et cetera	Ex cetera	Mispronunciation

Recognizing these patterns can help you catch similar errors before you hit publish or send.

How to Use “Per Se” Effectively

To use “per se” naturally and correctly:

Use it to isolate one quality or fact from a broader context.
Pair it with a contrasting clause (“but,” “however,” “yet”) to show nuance.
Keep sentences short around it — “per se” works best when it doesn’t get buried in complex clauses.
Reserve it for moments where precision genuinely matters, rather than as a filler phrase.

Common Misuses and Examples

Here are frequent mistakes writers make with this phrase:

❌ “Per say, I think this is a good plan.” (Incorrect spelling and awkward placement)
✅ “This isn’t the best plan per se, but it’s a solid start.”
❌ “He’s not per se wrong.” (Awkward mid-sentence placement)
✅ “He’s not wrong, per se, just overly cautious.”

The most common error, by far, is simply the misspelling itself — not a misunderstanding of meaning.

Expert Insights

Linguists and editors generally agree on two points: first, that the “per say” error is driven almost entirely by pronunciation rather than misunderstanding of meaning; and second, that “per se” remains one of the more useful Latin loanwords in English because it has no single-word English equivalent that captures the same nuance as precisely.

Per Se or Per Say Synonym

If “per se” starts to feel overused in your writing, several alternatives express a similar idea:

By itself
In itself
Intrinsically
Inherently
Essentially
As such
Fundamentally
By definition

Pop Culture References

“Per se” has appeared frequently in film, television, and even restaurant branding — most notably as the name of the acclaimed New York City restaurant Per Se, a nod to the idea of something defined purely on its own terms. The phrase also appears regularly in courtroom dramas and news commentary, reinforcing its association with careful, precise language.

Alternatives and Synonyms

Beyond single-word replacements, entire phrases can substitute for “per se” depending on tone:

“In and of itself”
“On its own”
“Taken alone”
“Strictly speaking”

Choosing among these often comes down to formality — “per se” and “in and of itself” lean formal, while “on its own” feels more conversational.

Tips to Avoid Confusion

Remember: se, not say — even though it sounds the same.
Think of the Latin root: “per” + “se” = “by itself.”
If you’re unsure, swap in “by itself” mentally to check your sentence still makes sense.
Read the phrase aloud and picture the spelling as you say it — repetition builds muscle memory.

FAQs

Q:What is another way of saying “per se”?

Common alternatives include “by itself,” “in itself,” “intrinsically,” “inherently,” and “essentially.”

Q:Where do we use per se?

“Per se” is used when isolating a quality or fact from its broader context, often in everyday, academic, business, or legal writing.

Q:Which is correct, per se or per say?

“Per se” is correct; “per say” is an incorrect spelling with no dictionary meaning.

Q:What does the phrase “as per se” mean?

“As per se” is a redundant, nonstandard phrase — simply use “per se” on its own for correct, clean usage.

Q:What is a per se rule?

In law, a “per se rule” means an act is automatically considered illegal or wrongful in itself, without needing further proof of harmful intent or effect.

Conclusion

The rule is simple: it’s always “per se,” never “per say.” The confusion comes from pronunciation, not meaning — “se” just happens to sound like “say” when spoken aloud. Once you understand that “per se” means “by itself” or “intrinsically,” using it correctly becomes second nature.

Keep this guide handy, and you’ll never second-guess this spelling again.