8
baleful(adjective, horrible, black, fearful, bodeful)
8
creepy(adjective, nasty, strange, horrible, black)
8
desperate(adjective, awful, terrible, horrible, afraid)
8
fearsome(adjective, fear, black, baleful, bodeful)
8
frightful(adjective, awful, terrible, fear, horrible)
8
ominous(adjective, horrible, fearful, foreboding, warn)
8
redoubtable(adjective, fear)
8
unlucky(adjective, horrible, black, fearful, warn)
7
flagrant(adjective, awful, terrible, strange, horrible)
7
grim(adjective, black, baleful, bodeful)
7
hair-raising(adjective, awful, terrible, strange, horrible)
7
helluva(adjective, awful, terrible, strange, horrible)
7
hideous(adjective, awful, terrible, horrible, afraid)
7
parlous(adjective, awful, terrible, strange, horrible)
7
scathing(adjective, awful, terrible, strange, horrible)
7
woeful(adjective, awful, terrible, strange, horrible)
6
abominable(adjective, awful, terrible, horrible, afraid)
6
deadly(adjective, awful, terrible, strange, horrible)
6
formidable(adjective, fear)
6
horrific(adjective, fear)
11 years ago|6.5k views|share |citing 
APASmart Define. (2015). direful thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/direful/thesaurus/synonyms
ChicagoSmart Define. 2015. "direful thesaurus" https://smartdefine.org/direful/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, direful thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/direful/thesaurus/synonyms>.
MLASmart Define. "direful thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/direful/thesaurus/synonyms>