I. ˈhep
variant of hip
II. ˈhep, ˈhəp interjection
Etymology: origin unknown
— used to mark the cadence when troops are marching at attention
III. ˈhep adjective
or hip ˈhip
Etymology: origin unknown
1. : characterized by a keen informed awareness of or interest in what is new or smart : extremely alert and knowing
astronautics, to which the small fry have been hep for quite some time — C.J.Rolo
you'll go crazy if you start using all that hip talk — Stanford Whitmore
2. : characterized by a keen interest in and ready responsiveness to jazz
each night after playing with his quintet before hep audiences he studies classical compositions — Bob Thomas
listening to recorded jazz with hip friends — Metronome