Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
silent [ˈsaɪlənt] adj (place, person, prayer) безмо́лвный*безмо́лвен (machine) бесшу́мный*бесшу́мен (taciturn) молчали́вый/молчали́в (film) немо́й
to remain silent молча́ть*(impf)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: