mentor
noun
a wise and trusted counselor or teacher.
mentor
1 American
[men-tawr, -ter]
/ ˈmɛn tɔr, -tər /
Mentor
2
American
[men-ter]
/ ˈmɛn tər /
noun
Mentor
3
American
[men-tawr, -ter]
/ ˈmɛn tɔr, -tər /
noun
mentor
1
British
/ ˈmɛntɔː /
noun
verb
Mentor
2
British
/ ˈmɛntɔː /
noun
Usage
What does mentor mean? A mentor is the main person you rely on to give you advice and guidance, especially in your career. Mentor can also be used as a verb meaning to act as a mentor, as in I mentor two of my students. If you have a mentor, you are the mentee. Example: It feels strange to me that I’m now more famous than my mentor—I wouldn’t be where I am without her.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of mentor
First recorded in 1740–50; after Mentor (from Greek Méntōr )
Explanation
A mentor is a person who trains and guides someone, like the second-grade English teacher who saw the spark of creativity in your writing and encouraged you to become a professional author. The original Mentor was a character in Homer's epic poem The Odyssey; Mentor looked after Odysseus's family, particularly his son Telemachus, while Odysseus was off fighting in the Trojan War. Today the word is used to describe any person who acts as an advisor or teacher. As a noun, mentor describes the coach who taught you to play baseball. As a verb, mentor is what the coach does to help you improve your swing.
Vocabulary lists containing mentor
The Hunger Games
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Monster
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
You Name It: Eponyms
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Burnham described Goggins, who died in January 2014, as his mentor.
From BBC • Jun. 28, 2026
Leibowitz’s insights “have been integrated into every analytical tool that exists” in the bond market, said Vishy Tirupattur, chief fixed-income strategist at Morgan Stanley, who credits Leibowitz as a mentor.
From The Wall Street Journal • Jun. 25, 2026
“Ask a manager, mentor or trusted colleague where you’re already strong — and where you could be clearer, more concise or more persuasive,” Rathod said.
From MarketWatch • Jun. 23, 2026
Iggy Porchia became the latest new hire, replacing his mentor, the late Angelo Gasca, at Venice.
From Los Angeles Times • Jun. 21, 2026
For a moment it felt as if Pearl were simply one of Lexie’s friends, there to celebrate her marvelous daughter: a promising young woman Mrs. Richardson might mentor, and nurture, purely on potential.
From "Little Fires Everywhere" by Celeste Ng
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
