/ haɪp; NAmE / noun , verb
■ noun
[ U ] ( informal , disapproving ) advertisements and discussion on television, radio, etc. telling the public about a product and about how good or important it is :
marketing / media hype
Don't believe all the hype—the book isn't that good.
■ verb
[ vn ] hype sth (up) ( informal , disapproving ) to advertise sth a lot and exaggerate its good qualities, in order to get a lot of public attention for it :
This week his much hyped new movie opens in London.
The meeting was hyped up in the media as an important event.
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WORD ORIGIN
1920s (originally US in the sense short-change, cheat , or person who cheats etc. ): of unknown origin.