Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
pathetic [pəˈθɛtɪk] adj (pitiful, sight, cries) жа́лостный*жа́лостен (very bad) жа́лкий*жа́лок
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: