Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
false [fɔːls] adj (untrue, wrong) ло́жный*ло́жен (insincere, artificial) фальши́вый/фальши́в
false imprisonment незако́нное лише́ние свобо́ды
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.