Masters or master’s is a common grammar question. Many people feel confused when writing about degrees, ownership, or education. The words look similar, but they have different meanings. Using the wrong one can make your writing look less professional. The good news is that the rule is simple. Once you learn it, you will use each form with confidence. This guide explains the difference in easy English. You will also find comparison tables, real-life examples, grammar tips, and common mistakes. By the end, you will know exactly when to write masters and when to write master’s.
Quick Summary Box (Featured Snippet)
- Masters is the plural form of master.
- Master’s is the singular possessive form of master.
- A master’s degree needs an apostrophe because the degree belongs to the level called “master.”
- Do not write masters degree in formal writing.
- Remember: Degree = apostrophe needed.
What Does “Masters” Mean?
Masters is simply the plural form of master.
It means more than one master.
Examples
- The chess tournament welcomed many masters.
- The old painting belonged to several masters.
- The museum displayed works from famous masters.
In these examples, masters refers to multiple people.
What Does “Master’s” Mean?
Master’s shows possession.
It means something belongs to one master.
The most common example is master’s degree.
Examples
- She earned a master’s degree in biology.
- His master’s thesis received an award.
- The master’s program starts in September.
Here, the apostrophe shows possession.
Masters vs Master’s Comparison Table
| Masters | Master’s |
|---|---|
| Plural noun | Singular possessive noun |
| Means more than one master | Shows ownership |
| No apostrophe | Uses an apostrophe |
| Used for multiple experts | Used in master’s degree, master’s thesis |
| Example: The masters met today. | Example: She has a master’s degree. |

Why Does “Master’s Degree” Have an Apostrophe?
Many people ask why master’s degree includes an apostrophe.
The answer comes from grammar.
Long ago, the phrase meant degree of a master.
The degree belonged to the rank of master.
That is why English keeps the possessive apostrophe.
Correct:
- Master’s degree
Incorrect:
- Masters degree
- Master degree
Masters Degree or Master’s Degree?
The correct form is:
✅ Master’s degree
The incorrect forms are:
❌ Masters degree
❌ Master degree
Correct Examples
- She completed her master’s degree in engineering.
- He is studying for a master’s degree in psychology.
- My sister finished her master’s degree last year.
Real-Life Examples of Masters and Master’s
Understanding grammar becomes easier with everyday situations.
At University
Correct:
- I am applying for a master’s degree.
Incorrect:
- I am applying for a masters degree.
At a Museum
Correct:
- The museum displays works by old masters.
At Work
Correct:
- She completed her master’s degree before joining the company.
In Sports
Correct:
- Several golf masters attended the ceremony.
Common Mistakes People Make
Many writers confuse these forms.
Mistake 1
❌ Masters degree
✅ Master’s degree
Mistake 2
❌ Master’s students are all masters.
This sentence changes the meaning.
Better:
✅ Students in a master’s program.
Mistake 3
Using an apostrophe for plurals.
Incorrect:
❌ Two master’s attended.
Correct:
✅ Two masters attended.
Easy Trick to Remember
Use this simple rule.
If you see the word “degree,” use an apostrophe.
Examples:
- Master’s degree
- Master’s program
- Master’s thesis
If you mean several people who are masters, do not use an apostrophe.
Examples:
- Chess masters
- Martial arts masters
- Music masters
Masters or Master’s in Daily Life
You may see these words in many places.
Education
- Master’s degree
- Master’s program
- Master’s course
Business
- Masters of marketing
- Industry masters
Sports
- Golf masters
- Chess masters
Art
- Renaissance masters
- Classical masters
Similar Grammar Rules
English has many similar words.
Examples include:
- bachelor’s degree
- doctor’s appointment
- teacher’s desk
- manager’s office
- children’s books
These all use apostrophes to show possession.
Synonyms and Related Keywords
Synonyms
- Graduate degree
- Postgraduate degree
- Advanced degree
- Higher education qualification
Related Keywords
- master’s degree meaning
- masters degree or master’s degree
- master’s program
- graduate degree
- bachelor’s vs master’s
- master’s thesis
- postgraduate education
- master’s diploma
- master’s qualification
Expert Grammar Tips
Grammar experts suggest using the official spelling from universities.
Most universities write:
Master’s degree
This follows standard English grammar.
Always check official style guides when writing academic documents.
Using the correct form improves your writing and builds trust.
Internal Linking Suggestions
You can link this article with related grammar guides, such as:
- Bachelor’s or Bachelor Degree
- Doctor’s or Doctors
- Degree vs Diploma
- Whose vs Who’s
- Its vs It’s
- Teachers or Teacher’s
These articles help readers improve English grammar.
Frequently Asked Questions
Is it masters or master’s degree?
The correct form is master’s degree.
Why does master’s have an apostrophe?
It shows possession. The degree belongs to the academic rank of master.
Can I write masters degree without an apostrophe?
No. Formal English requires master’s degree.
Is Masters always wrong?
No. Masters is correct when talking about more than one master.
Example:
The chess masters competed today.
Is master’s singular?
Yes.
It is the singular possessive form of master.
What is the plural of master’s?
The plural possessive is masters’, but it is uncommon.
Is master’s degree capitalized?
Usually no.
Capitalize it only in titles or official program names.
Featured Snippet Answer
Masters or Master’s: Which Is Correct?
- Use master’s for master’s degree, master’s program, and master’s thesis.
- Use masters when talking about more than one master.
- Remember: Degree = apostrophe. People = no apostrophe.
Conclusion
Understanding masters or master’s is easier than it first appears. The key difference is grammar. Masters is simply the plural form of master, while master’s shows possession. That is why universities write master’s degree, master’s thesis, and master’s program with an apostrophe. When you talk about several experts, artists, or champions, use masters without an apostrophe. Following this simple rule helps you avoid common writing mistakes and makes your English look more polished. Whenever you are unsure, remember this easy tip: If the phrase includes “degree,” use “master’s.” With regular practice, choosing the correct form will become natural and effortless.

Emma Collins is a language writer and grammar enthusiast specializing in English vocabulary, spelling comparisons, and word usage guides. She creates easy-to-understand content that helps readers improve their writing, communication, and language skills with confidence.


