teacher
Americannoun
noun
-
a person whose occupation is teaching others, esp children
-
a personified concept that teaches
nature is a good teacher
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of teacher
First recorded in 1250–1300, teacher is from the Middle English word techer. See teach, -er 1
Compare meaning
How does teacher compare to similar and commonly confused words? Explore the most common comparisons:
Explanation
If the guy down the street shows you how to play the guitar and helps you develop a masterful plucking style, then he's your guitar teacher. A teacher is anyone who teaches things. Schools hire people to be teachers, but you don't have to work in a school to be a teacher. You can be a teacher to your children. If you're really good at making pizza, you can be a teacher to an aspiring pizza chef. If you're really passionate about methods of education, then you can become a teacher who teaches teachers how to teach better. Whoa.
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.
This fading memory disturbs Dervis Hizarci, a former teacher and the head of KIGA, a Berlin organization against antisemitism.
From The Wall Street Journal • Jul. 8, 2026
Eventually he finds his Earth Kingdom teacher, Toph, a blind young woman who is also one of the world’s greatest benders.
From Salon • Jul. 8, 2026
But the story is actually a joyful one: An innovative and committed high school sociology teacher in Tennessee, Alex Campbell, teaches a class that reopens these cold cases and gives new life to the investigations.
From Los Angeles Times • Jul. 7, 2026
"We hope this visit will represent a new start for Syria," said Faisal Azouz, 76, a retired teacher.
From Barron's • Jul. 6, 2026
“Maybe you should tell your English teacher that he should be more respectful of time,” he says.
From "Red Flags and Butterflies" by Sheryl Azzam
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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.