Definition of object lesson
: something that serves as a practical example of a principle or abstract idea
Examples of object lesson in a sentence
His life story is an object lesson in how not to run a business.
First Known Use of object lesson
OBJECT LESSON Defined for English Language Learners
Definition of object lesson for English Language Learners
: an example from real life that teaches a lesson or explains something
Seen and Heard
What made you want to look up object lesson? Please tell us where you read or heard it (including the quote, if possible).