Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
far-reaching [ˈfɑːˈriːtʃɪŋ] adj (reform) далеко́ иду́щий; (effect) глубо́кий#
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.