The phrase "sheer genius" means an exceptional level of intelligence, skill, or creativity. It implies that someone's abilities or ideas are extremely impressive and remarkable.
Sentences with «sheer genius»
It would be sheer genius in cold climates, which seemed like pretty much everywhere last winter. (automobilemag.com)
But the Paris Hilton response (created by Adam McKay) is sheer genius by comparison. (epolitics.com)