The meaning of "half-baked idea" is:
The definition of "half-baked idea" is:
(noun) an idea that is very unlikely or unrealistic
A: I have an idea of how to improve our English school.
B: Okay, what is it?
A: I think we should force our teachers to live in each student’s house for one week. Then their English will be perfect.
B: That seems really far-fetched. Our teachers won’t want to do that!
When Robert decided that he shouldn’t go to University, because he could make more money as a shoe salesman, it was a half-baked idea.
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