Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
terrifying [ˈtɛrɪfaɪɪŋ] adj ужаса́ющий#
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
terrify [ˈtɛrɪfaɪ]
vt ужаса́ть (ужасну́ть perf)
to be terrified (of) быть*(impf) в у́жасе (от +gen)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: