an object lesson(redirected from object lessons)
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an object lesson
An actual, concrete example of something. Your overreaction was an object lesson in how to ensure that your kids don't tell you the truth. OK, that was an object lesson in what not to do. You have a terrible poker face—with one look at you, I knew you had a bad hand! Their successful petition is an object lesson in how to get things done at a grassroots level.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
an ˈobject lessona practical example of what you should or should not do in a particular situation: It was an object lesson in how not to make a speech. He did absolutely everything wrong.An object lesson was a school lesson that used real objects as a way of teaching in a very direct and practical way.
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