Mock-serious in a Sentence 

Definition of Mock-serious  

to pretend to be serious while joking

Examples of Mock-serious in a sentence

The comedian tried to tell the joke in a mock-serious tone, but the style was too dry to make the audience laugh.  
Because of her mock-serious since of humor, Jacee was able to make people think she was serious when she was only kidding.  
Maria’s professor’s mock-serious style of joking was the perfect mixture of carefree and firm.  

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