Common Mistakes with the Plural of Alumnus

The most common mistake with the plural of “alumnus” is using “alumni” for a single person or using “alumnus” when referring to a group of mixed-gender graduates. The correct plural for a group of male or mixed-gender graduates is “alumni,” while “alumnae” is the plural for a group of female graduates. For a single male graduate, use “alumnus”; for a single female graduate, use “alumna.” This guide will help you avoid these errors in academic and professional writing.

Quick Answer: What Is the Plural of Alumnus?

The plural of “alumnus” depends on the gender of the group:

• Alumni (masculine or mixed-gender group): “The alumni of Harvard University gathered for the reunion.”
• Alumnae (feminine group): “The alumnae of Smith College organized a fundraiser.”
• Alumnus (singular, male): “He is an alumnus of Yale University.”
• Alumna (singular, female): “She is an alumna of Stanford University.”

In modern usage, “alumni” is often used as a gender-neutral term for any group of graduates, but careful academic writing still distinguishes between “alumni” and “alumnae.”

Understanding the Latin Roots

“Alumnus” comes from Latin, where nouns change their endings based on gender and number. This is why the plural forms follow a pattern similar to other Latin words like “cactus” (cacti) or “focus” (foci). However, “alumnus” is unique because it has both masculine and feminine forms.

Singular Forms

• Alumnus (male): “John is an alumnus of MIT.”
• Alumna (female): “Maria is an alumna of Oxford.”

Plural Forms

• Alumni (male or mixed group): “The alumni of the university include many Nobel laureates.”
• Alumnae (female group): “The alumnae of the women’s college meet annually.”

Comparison Table: Alumnus vs. Alumna vs. Alumni vs. Alumnae

Natural Examples in Context

Here are examples showing how these forms are used in real writing, emails, and conversations.

Formal Academic Writing

• “The university’s alumni network includes professionals from over 50 countries.” (mixed group)
• “The alumnae of the Class of 1990 established a scholarship fund.” (female group)
• “As an alumnus of the program, I recommend it to prospective students.” (singular male)

Email and Professional Communication

• “Dear Alumni, we invite you to the annual gala on June 15.” (formal greeting for mixed group)
• “I am an alumna of the School of Engineering, and I would like to mentor current students.” (singular female)
• “The alumni association is seeking volunteers for the career fair.” (mixed group)

Everyday Conversation

• “Are you an alumnus of that college?” (asking a male)
• “She’s an alumna of the same university I attended.” (referring to a female)
• “The alumni from my year are planning a trip to Europe.” (mixed group)

Common Mistakes with the Plural of Alumnus

Even native speakers make errors with these terms. Here are the most frequent mistakes and how to fix them.

Mistake 1: Using “Alumni” for a Single Person

Incorrect: “She is an alumni of Harvard.”
Correct: “She is an alumna of Harvard.” (for a female) or “She is an alumnus of Harvard.” (if using gender-neutral singular)

Why it happens: “Alumni” sounds like it could be singular because it ends in “i,” but it is always plural. This is a very common error in casual speech and even in some professional writing.

Mistake 2: Using “Alumnus” for a Group

Incorrect: “The alumnus of the university are successful.”
Correct: “The alumni of the university are successful.”

Why it happens: People sometimes forget that “alumnus” is singular and use it as a collective noun. Always use “alumni” for groups.

Mistake 3: Confusing “Alumna” and “Alumnae”

Incorrect: “The alumna of the college raised funds.” (when referring to a group)
Correct: “The alumnae of the college raised funds.” (for a group of women)

Why it happens: The difference between singular “alumna” and plural “alumnae” is subtle, especially in speech where both sound similar.

Mistake 4: Using “Alumni” for an All-Female Group

Incorrect: “The alumni of the women’s college are hosting an event.”
Correct: “The alumnae of the women’s college are hosting an event.”

Why it happens: Many people default to “alumni” because it is more common, but for all-female groups, “alumnae” is the precise term.

Better Alternatives and When to Use Them

In modern English, especially in less formal contexts, you may see “alumni” used as a gender-neutral term for any group of graduates. This is widely accepted in many universities and organizations. However, in formal academic writing or when addressing a specific group, using the correct form shows attention to detail.

When to Use Traditional Forms

• In academic papers or formal reports
• When writing for a university alumni magazine
• In formal invitations or official correspondence
• When the gender of the group is known and relevant

When to Use “Alumni” as a Gender-Neutral Term

• In casual conversation or emails
• When the group is mixed and you want to avoid specifying gender
• In marketing materials or general announcements
• When writing for a modern, inclusive audience

Alternative Phrases

If you are unsure about the correct form, you can use these alternatives:

• “Graduates” (gender-neutral and always correct)
• “Former students” (clear and avoids Latin forms)
• “Alumni and alumnae” (inclusive but wordy)
• “Alumni” (acceptable in most modern contexts)

Nuances in Tone and Context

The choice between “alumni” and “alumnae” can signal the tone of your writing. Using “alumnae” for a women’s college shows respect for tradition and precision. Using “alumni” for a mixed group is standard in most business and academic settings. In very formal contexts, such as a university’s official communications, you might see “alumni” used for the general body and “alumnae” reserved for specific women’s events.

In email greetings, “Dear Alumni” is common and accepted, even if the group includes only women. However, if you are writing to a known all-female group, “Dear Alumnae” is more accurate and appreciated.

Mini Practice: Test Your Knowledge

Choose the correct form for each sentence. Answers are below.

1. She is an _____ of the University of Chicago.
   a) alumnus b) alumna c) alumni
2. The _____ of the women’s college are meeting next week.
   a) alumni b) alumnae c) alumnus
3. He is an _____ of the program, and he recommends it.
   a) alumna b) alumni c) alumnus
4. The _____ of the university include many famous scientists.
   a) alumnus b) alumna c) alumni

Answers

1. b) alumna – “She” indicates a female, so the singular form is “alumna.”
2. b) alumnae – “Women’s college” indicates an all-female group, so the plural is “alumnae.”
3. c) alumnus – “He” indicates a male, so the singular form is “alumnus.”
4. c) alumni – “The university” implies a mixed group, so the plural is “alumni.”

Frequently Asked Questions

1. Can I use “alumni” for a single person?

No, “alumni” is always plural. For a single person, use “alumnus” (male) or “alumna” (female). Using “alumni” for one person is a common error that can make your writing seem less careful.

2. Is “alumnae” still used in modern English?

Yes, especially in contexts related to women’s colleges or all-female groups. Many universities with a history of single-sex education continue to use “alumnae” for their female graduates. In mixed-gender contexts, “alumni” is more common.

3. What is the gender-neutral alternative to “alumnus” or “alumna”?

Some people use “alum” as a gender-neutral singular form. For example, “She is an alum of the university.” This is informal but increasingly accepted. For plural, “alums” is sometimes used, though “alumni” remains the standard.

4. How do I address a group of graduates in a formal letter?

If the group is mixed, use “Dear Alumni.” If the group is all female, use “Dear Alumnae.” If you are unsure, “Dear Graduates” or “Dear Former Students” is always safe and professional.

Final Tips for Using the Plural of Alumnus

To avoid mistakes, remember these simple rules:

• One male graduate = alumnus
• One female graduate = alumna
• Multiple male or mixed graduates = alumni
• Multiple female graduates = alumnae

When in doubt, use “graduates” or “former students” to avoid errors. In professional writing, taking the time to use the correct form shows that you understand the nuances of academic language. For more help with confusing plurals, explore our Confusing Plurals section. If you have questions about other academic terms, visit our FAQ page or contact us for clarification.