Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
effrontery [ɪˈfrʌntərɪ] n наха́льство, на́глость f
to have the effrontery to do име́ть (impf) наха́льство or на́глость, что́бы +infin
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.