23
scary(adjective, awful, terrible, fear, horrible)
19
appalling(adjective, awful, terrible, fear, horrible)
18
dire(adjective, awful, terrible, fear, horrible)
17
fearful(adjective, awful, terrible, strange, fear)
15
dreadful(adjective, awful, terrible, fear, horrible)
15
ghastly(adjective, awful, terrible, fear, horrible)
14
awful(adjective, terrible, fear, horrible, fearful)
14
dread(noun, adjective, awful, terrible, fear)
13
horrendous(adjective, awful, terrible, horrible, afraid)
13
horrid(adjective, awful, terrible, fear, horrible)
11
dreaded(adjective, awful, terrible, horrible, afraid)
11
horrible(adjective, awful, terrible, fear, afraid)
11
shocking(adjective, awful, terrible, fear, horrible)
11
terrible(adjective, fear, horrible, fearful)
10
grisly(adjective, awful, terrible, horrible, afraid)
10
gruesome(adjective, awful, terrible, horrible, afraid)
10
tremendous(adjective, awful, terrible, fear, horrible)
9
fateful(adjective, significant, horrible, black, fearful)
9
frightening(adjective, awful, terrible, horrible, afraid)
9
terrific(adjective, fear, horrible, fearful)
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APASmart Define. (2015). direful thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/direful/thesaurus/synonyms
ChicagoSmart Define. 2015. "direful thesaurus" https://smartdefine.org/direful/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, direful thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/direful/thesaurus/synonyms>.
MLASmart Define. "direful thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/direful/thesaurus/synonyms>