As adjectives the difference between hippiest and whippiest
is that hippiest is (hippy) while whippiest is (whippy).
hippiest
English
Adjective
(head)
(hippy)
hippy
English
Noun
(hippies)
Adjective
(er)
Having prominent or in any other way unusual hips.
whippiest
English
Adjective
(head)
(whippy)
whippy
English
Adjective
(
er)
Whiplike; thin and pliant.
- The tree's whippy branches grazed his face.