格段かくだん
kakudan

na-Adjective
no-Adjective

1. dramatic (improvement); remarkable (difference); marked; noticeable

それは以前いぜんくらべて格段かくだん進歩しんぽした。
sorewa izenni kurabete kakudanni shimpo shita.
It has greatly improved compared with what it was.
na-Adjective
no-Adjective

2. (far) better; exceptional