(hillier, hilliest)
A ~ area has many hills.
The areas where the fighting is taking place are ~ and densely wooded.
ADJ
(hillier, hilliest)
A ~ area has many hills.
The areas where the fighting is taking place are ~ and densely wooded.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012