Definition of «ridiculous idea»

The phrase "ridiculous idea" means an idea that is silly, nonsensical, or unrealistic.

There will likely be little talk at the coal summit of just how ridiculous the idea of commercially deployed CCS is becoming. (desmogblog.com)
Do you have a seemingly ridiculous idea for how you will advertise your firm? (lawyerist.com)
Do you have any idea how ridiculous that idea is. (religion.blogs.cnn.com)
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