“An agentive suffix used for a person associated with an action or occupation; it later became common in words such as spinster and youngster.”

“Slang meaning fashionable, aware, or knowledgeable about a particular cultural world; its deeper origin is uncertain and is sometimes connected with the earlier form hep.”

“Jazz and African American slang for being informed, fashionable, or socially aware; the relationship between hep and hip is historically debated.”

“A person deeply involved in jazz culture and its specialized language, especially an insider or enthusiast.”

“A member of the jazz-oriented bohemian subculture, often associated with bebop, modern art, and nonconformist style.”

“A person identified with deliberately unconventional, alternative, vintage, or trend-conscious tastes.”