• September 26, 2025

Master's vs Masters Degree: Grammar Rule Explained & Why It Matters

Okay, let's tackle this head-on because I see people tripping over this all the time. You're writing your resume, filling out a university application, or maybe just chatting about education online. Suddenly you freeze: is it masters or master's degree? Your fingers hover over the keyboard. Apostrophe or no apostrophe? Does it even matter? Honestly, I used to get this wrong myself until a brutally honest professor circled it in red on my first grad school paper. Ouch. That embarrassing moment stuck with me, and now I want to save you from the same fate.

The Short Answer (Spoiler Alert!)

It’s master’s degree. Every single time. The apostrophe is non-negotiable in formal, correct English. That little punctuation mark shows possession – you’re saying it’s the degree of a master.

Think of it like this: you wouldn’t write "teachers college" – you’d write "teachers’ college" (or "teacher’s college," depending on context). Same principle applies here. Dropping the apostrophe ("masters degree") is grammatically incorrect. It’s one of those errors that instantly signals whether someone pays attention to detail. Harsh? Maybe. True? Absolutely.

Grammar Reality Check: If you leave out the apostrophe and write "masters degree," you're technically saying "a degree belonging to masters." That sounds vague and awkward. Who are these masters? It’s nonsensical. The apostrophe clarifies it’s the degree associated with achieving the status of a master in a specific field.

Why the Massive Confusion Exists

If the correct form is so clear-cut, why is the "is it masters or master's degree" question Googled constantly? Let’s break down the culprits:

Reason Why It Happens Real-World Impact
Casual Speech & Laziness When talking, we often slur it to "masters degree." The apostrophe sound gets lost. This casualness bleeds into writing. Leads to typos and ingrained bad habits, especially in emails or social media.
Misleading Online Examples Shockingly, even some university webpages, news sites, or job boards occasionally use "masters degree" incorrectly. Creates false confidence: "If Harvard's blog says it, it must be right!" (Spoiler: It's usually an oversight).
Plural Ambiguity People see "Master of Science" abbreviated as "M.S." and think the full term should be equally compact without punctuation. Causes confusion about whether "masters" refers to multiple degrees or is just a shorthand error.
Auto-Correct & Spellcheck Blind Spots Spellcheck rarely flags "masters degree" because "masters" is a valid word (meaning experts or rulers). Lulls writers into a false sense of security, letting the error slip through.

I remember browsing a well-known tech forum last year where at least half the users discussing grad school used "masters." It made me cringe internally. It’s like seeing someone wear socks with sandals – technically functional, but just... wrong.

The Grammar Rule You Can't Ignore

This isn't just opinion; it's foundational English grammar:

The Possessive Apostrophe Rule

The term "master's degree" is a possessive noun phrase. It literally means:

  • Master's = Belonging to a master (the holder of the degree)
  • Degree = The qualification

So, "master's degree" translates to "the degree of a master." Omitting the apostrophe (masters degree) removes the possessive relationship and makes the phrase grammatically incoherent. It suggests "masters" is an adjective modifying "degree," which it isn't.

The same rule applies universally to similar degrees:

Correct (Possessive) Incorrect (No Apostrophe) Why It's Wrong
Bachelor's degree Bachelors degree "Bachelors" isn't an adjective; it needs the possessive.
Associate's degree Associates degree Same possessive rule applies.
Doctorate (Note) Doctorate's degree (Rare/Incorrect) "Doctorate" is the actual degree name itself, not possessive. We say "doctoral degree" or just "doctorate."

My Grad School Flashback: In my first semester, a classmate submitted a draft thesis proposal filled with "masters degree." The professor didn't just correct it; he wrote a mini-lecture in the margins about possessive nouns. Mortifying for my classmate, but unforgettable for the rest of us. That professor was brutal, but he wasn't wrong. It made us all obsessive about details.

When Context Matters (And When It Doesn't)

While master’s degree is always the formally correct term, language isn't always black and white. Here’s the messy reality:

Formal Contexts: Zero Tolerance

  • Resumes & CVs: Using masters degree here is a genuine red flag for many hiring managers, especially in detail-oriented fields (editing, law, academia, engineering). It screams carelessness.
  • University Applications: Admissions committees expect perfection in language. An apostrophe error won't sink you alone, but it chips away at professionalism. Why risk it?
  • Academic Writing (Thesis, Dissertation, Papers): Absolutely mandatory. Academic style guides are strict on punctuation.
  • Official Documents & Certifications: Your diploma says "Master of..." not "Masters of..." – follow that lead.

Informal Contexts: Slightly More Leeway (But Still...)

  • Social Media/Texts/Quick Emails: While still technically wrong, "masters" is rampant here. You might get away with it without judgment from peers, but grammar sticklers (like me!) will notice.
  • Online Forums & Comments: Similar to social media. "Masters" is common shorthand. However, using the correct form still makes your comment look more polished.
  • Casual Speech: Almost everyone says "masters degree" when speaking quickly. No one expects you to pronounce the apostrophe!

Here’s my take: Knowing the rule means you can make an informed choice in informal settings. But defaulting to master’s degree in writing is always the safer, more professional bet. Why wouldn't you use the correct form when you know it?

Beyond the Apostrophe: Related Keywords & Confusions

Once you've nailed "master’s degree," other related terms trip people up. Let’s clear the air:

Term/Phrase Correct Usage Common Mistake Explanation
Master's vs Masters "I earned my master's." (Apostrophe when possessive/short for degree)
"He is one of the masters of his craft." (No apostrophe for plural noun)
"I earned my masters." Without "degree," the possessive apostrophe is STILL needed ("master's"). "Masters" alone refers to multiple experts or specific programs (e.g., Masters Tournament).
Master of Science (M.S.) / Master of Arts (M.A.) "I have an M.S. in Biology." OR "I have a Master of Science in Biology." "I have a Masters of Science." (Capitalization + apostrophe error) The formal degree title is "Master of Science," capitalized. The abbreviation is "M.S." or "MS" (no apostrophe in abbrev.). "Masters of Science" is doubly wrong.
Pursuing a Master's "I am pursuing a master's degree." OR "I am pursuing my master's." "I am pursuing masters." You pursue "a master's [degree]" or "your master's." "Pursuing masters" sounds like you're chasing multiple experts.
Master's Student / Master's Candidate "As a master's student..." OR "Master's candidates must..." "As a masters student..." The apostrophe is essential. The student is *of* the master's program.

The Capitalization Question

Generally lowercase: "She holds a master’s degree in education."
Capitalize only when part of the full formal title: "She earned a Master of Education degree."

Confusion often arises because people see the abbreviation "M.Ed." capitalized and overcorrect. When using the general term ("master’s degree"), keep it lowercase.

Real Talk: When Might "Masters" Be Accepted? (Grudgingly)

I have to be honest, even though it grinds my gears:

  • Specific Program Names: Some universities do officially name programs things like "Masters in Data Science" on their websites (looking at you, a few big state schools!). While linguistically frustrating, if it's the official program title, you have to use it verbatim when referring to that specific program. But it's an exception proving the rule.
  • Extremely Informal Digital Spaces: In a fast Twitter chat or a Discord server, "masters" might fly under the radar without comment. But it still looks sloppy to those who know better.
  • Historical/Legacy Texts: You might find "masters degree" in older documents where grammar conventions were slightly different or less standardized.

My personal opinion? Universities using "Masters Program" in official titles are doing their students a disservice by normalizing incorrect grammar. It creates unnecessary confusion around the core "is it masters or master's degree" question. Just stick to the rule!

FAQs: Answering Your Burning Questions

Is it "master's program" or "masters program"?

A: It's master's program. Same rule! The program belongs to the master's level. Masters program is incorrect.

Do you capitalize "master's degree"?

A: Usually lowercase unless it's part of a formal title right before the name (which is rare). Example: "I have a master’s degree." vs. "She graduated from the Master’s Degree Program in Public Health." (Here "Program" is capitalized as part of the full name).

Is "master degree" ever correct?

A: No. This is less common than "masters degree" but equally wrong. You need the possessive apostrophe + 's'. "Master degree" is grammatically incorrect.

Why do people say "masters" instead of "master's"?

A: Primarily because spoken language often drops the possessive 's' sound ("masters degree" sounds smoother than carefully enunciating "master's degree"). This casual spoken form gets copied into writing. Laziness and seeing others do it incorrectly also play major roles.

Does this rule apply to other degrees?

A: Absolutely:

  • Correct: Bachelor's degree, Associate's degree
  • Incorrect: Bachelors degree, Associates degree
  • Doctorate is different. It's the name of the degree itself, not possessive. You earn a doctorate or a doctoral degree.

How important is getting this right on a resume?

A: Very important, especially if the job requires attention to detail, writing skills, or higher education (like academia, research, editing, law, management). An error here can make you look careless before you even get an interview. For less writing-focused roles, it's still a minor strike against polish. Just get it right!

The Bottom Line: Why This Tiny Mark Matters

Look, I get it. Arguing about apostrophes can feel pedantic. Who cares about one little squiggle? But here's the thing: language is a tool. Using it precisely builds credibility. When you write master’s degree correctly, you signal:

  • Attention to Detail: You notice and care about the small stuff that makes communication clear.
  • Professionalism: You respect the conventions of formal writing.
  • Education & Literacy: You understand fundamental grammatical rules.
  • Respect for Your Audience: You took the time to get it right.

Conversely, using masters degree (or worse, "master degree") can subtly undermine you, especially in competitive academic or professional settings. It’s a small thing with outsized impact on first impressions. Knowing the answer to "is it masters or master's degree" is a tiny but powerful piece of linguistic mastery.

So, make peace with the apostrophe. Embrace it. That little mark is your friend. Use it proudly: master’s degree. Every. Single. Time. You'll stand out from the crowd that's still guessing. Trust me, your future self (and maybe your grumpy old professor) will thank you.

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