| Noun | 1. | frightening - to inspire with fear Synonyms: terrorisation, terrorization |
| Adj. | 1. | frightening - causing fear or dread or terror; "the awful war"; "an awful risk"; "dire news"; "a career or vengeance so direful that London was shocked"; "the dread presence of the headmaster"; "polio is no longer the dreaded disease it once was"; "a dreadful storm"; "a fearful howling"; "horrendous explosions shook the city"; "a terrible curse" |