hepper; heppest
US slang, old-fashioned
: having or showing knowledge about the newest things in music, fashion, etc. : hip
a hep cafe
She's hep.
Note: Hep is often associated with people who played and listened to jazz music in the mid-20th century.
Cite this Entry
“Hep.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/hep. Accessed 22 Jun. 2026.
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