なだらか

なだらかnadaraka

na-adjective

  1. gently sloping
  2. gentle
  3. gradual
  4. easy
  5. smooth (process)
  6. gentle (e.g. tone of voice)
  7. slow (e.g. growth)

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences