a mile wide and an inch deep

said of a person's knowledge, intelligence or, in some cases, opinion. put another way, you're saying the person knows a lot about everything, but nothing about a given topic.

"That Sarah Palin sure knows foreign policy!"
"She's all talking points. Her knowledge is a mile wide and an inch deep."

a mile wide and an inch deep by OuLiPo February 27, 2010

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a mile wide and an inch deep

Impressive at first but with experience, found to be stupid or unimaginative

"That John Kerry seems to have gravitas."
"He's a mile wide and an inch deep."

a mile wide and an inch deep by octopod April 10, 2004

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Related Words

a mile wide and an inch deep • Half A Mile • Half a Mile Kyle • by a mile • Run A Mile • Running a mile • like a mile of bad road • a miss is as good as a mile • I'd walk a mile for a vertical smile • I will eat a mile of her shit to see where it came from.