144 entries under terrible topic. ×

3
damnable(adjective, awful, horrible, afraid)
3
dangerous(adjective, strong, severe, intense, violent)
3
darn(adjective, awful, horrible, afraid)
3
deuced(adjective, awful, horrible, afraid)
3
doggone(adjective, awful, horrible, afraid)
3
enormous(adjective, awful, horrible, afraid)
3
execrable(adjective, awful, horrible, afraid)
3
flagrant(adjective, awful, horrible, afraid)
3
gastful(adjective, awful, horrible, afraid)
3
ghastful(adjective, awful, horrible, afraid)
3
god awful(adjective, awful, horrible, afraid)
3
grizzly(adjective, awful, horrible, afraid)
3
gross(adjective, awful, horrible, afraid)
3
grueling(adjective, awful, horrible, afraid)
3
hair raising(adjective, awful, horrible, afraid)
3
hellish(adjective, awful, horrible, afraid)
3
helluva(adjective, awful, horrible, afraid)
3
immane(adjective, awful, horrible, afraid)
3
loathsome(adjective, awful, foul, disgusting)
3
miserable(adjective, awful, horrible, afraid)
10 years ago|13k views|share |citing 
APASmart Define. (2016). frightening thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/frightening/thesaurus/synonyms
ChicagoSmart Define. 2016. "frightening thesaurus" https://smartdefine.org/frightening/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, frightening thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/frightening/thesaurus/synonyms>.
MLASmart Define. "frightening thesaurus" 23 March 2016. Web. 29 September 2026. <https://smartdefine.org/frightening/thesaurus/synonyms>