レッスンの定義と意味 | Dictionary.com

LESSON Definition & Meaning | Dictionary.com Synonyms lesson American [ les - uh n] / ˈlɛs ən / noun a section into which a course of study is divided, especially a single, continuous session of formal instruction in a subject. The manual was broken down into 50 lessons. a part of a book, an exercise, etc., that is assigned to a student for study. The lesson for today is on page 22. He worked assiduously at his music lesson. something to be learned or studied. the lessons of the past. a useful piece of practical wisdom acquired by experience or study. That accident certainly taught him a lesson in careful driving. something from which a person learns or should learn; an instructive example. Her faith should serve as a lesson to all of us. a reproof or punishment intended to teach one better ways. a portion of Scripture or other sacred writing read or appointed to be read at a divine service; lection; pericope. verb (used with object) to teach; instruct; give a lesson to. to admonish or reprove. lesson British / ˈlɛsən / noun a unit, or single period of instruction in a subject; class an hour-long music lesson the content of such a unit material assigned for individual study something from which useful knowledge or principles can be learned; example the principles, knowledge, etc, gained a reprimand or punishment intended to correct a portion of Scripture appointed to be read at divine service "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 verb rare (tr) to censure or punish "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 lesson Idioms see learn one's lesson ; teach a lesson . Etymology Origin of lesson First recorded in 1175–1225; Middle English lesso(u)n, from Old French leçon, from Latin lēctiōn-, stem of lēctiō “a reading”; see lection Explanation When a story has something to teach its reader, it has a lesson . The lessons of many folktales range from "always tell the truth" to "be brave" to "find a prince." There are different kinds of lessons, but they're all meant to teach someone how to do something or some new information. In a French lesson, a teacher teaches you the French language, and in a sewing lesson, you'll learn how to make something using fabric and a sewing machine. A typical day at school is one lesson after another. Originally, lesson had two meanings: "something learned by a student" and "a reading aloud from the Bible." Keep Reading on Vocabulary.com 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. The key lesson, they say, is that markets will identify stagflation before economic indicators do. From MarketWatch • May 4, 2026 Sherman then summed up the lesson for the conferencegoers hanging on her every word. From Slate • May 1, 2026 Pajak’s Sam must drive home the lesson that the real vampires are those creatures who try to steal your true soul — your individuality. From Los Angeles Times • May 1, 2026 Now he’s implemented “Tech-Free” Tuesdays and Thursdays, which required teachers to reinvent their lesson plans. From The Wall Street Journal • Apr. 29, 2026 Dr. Bearden had already begun her Introduction to Marvel Light lesson. From "The Marvellers" by Dhonielle Clayton Related Words class education exercise homework instruction lecture practice reading study task teaching test 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.