| execrable(adjective, awful, terrible, horrible, afraid) |
| fabulous |
| feral(strong, violent, brutal, ferocious, menacing) |
| flagitious(adjective, awful, terrible, horrible, afraid) |
| foul(adjective, violent, wild, bitter, murky) |
| gargantuan |
| gastful(adjective, awful, terrible, horrible, afraid) |
| ghastful(adjective, awful, terrible, horrible, afraid) |
| ghastly(adjective, awful, terrible, horrible, afraid) |
| god awful(adjective, awful, terrible, horrible, afraid) |
| grievous(adjective, awful, terrible, horrible, afraid) |
| grisly(adjective, awful, terrible, horrible, afraid) |
| grizzly(adjective, awful, terrible, horrible, afraid) |
| grueling(adjective, awful, terrible, horrible, afraid) |
| gruesome(adjective, awful, terrible, horrible, afraid) |
| hair-raising(adjective, awful, terrible, horrible, afraid) |
| hair raising(adjective, awful, terrible, horrible, afraid) |
| harrowing(adjective, awful, terrible, horrible, afraid) |
| heinous(adjective, awful, terrible, horrible, afraid) |
| hellish(adjective, awful, terrible, horrible, afraid) |