hilliest

英 [ˈhɪlɪɪst]

美 [ˈhɪlɪɪst]

adj.  多小山的; 多丘陵的
hilly的最高级

柯林斯词典

• ADJ-GRADED 多小山的;丘陵起伏的
  Ahillyarea has many hills.
  1. The areas where the fighting is taking place are hilly and densely wooded.
     交战地区丘陵起伏，树木茂密。