16
ghastly(adjective, good, unpleasant, awful, terrible)
16
horrendous(adjective, good, unpleasant, awful, terrible)
16
worried(adjective, upset, excited, uncertain, anxious)
15
yellow(adjective, upset, weak, soft, informal)
15
terrible(adjective, good, bad, great, severe)
14
direful(adjective, awful, terrible, strange, fear)
14
gruesome(adjective, unpleasant, awful, terrible, disgusting)
14
lily-livered(adjective, upset, weak, soft, uncertain)
14
tremendous(adjective, pain, awful, terrible, fear)
13
diffident(adjective, quiet, weak, fear, modest)
13
formidable(adjective, great, awful, terrible, fear)
13
hideous(adjective, unpleasant, awful, terrible, disgusting)
13
jittery(adjective, upset, person, weak, feelings)
13
jumpy(adjective, upset, excited, uncertain, anxious)
13
monstrous(adjective, awful, terrible, wicked, horrible)
13
pusillanimous(adjective, weak, soft, base, nervous)
13
tremulous(adjective, fear, nervous, worried, afraid)
12
dread(adjective, awful, terrible, fear, horrible)
12
fearsome(adjective, awful, wonderful, fear, grand)
12
gutless(adjective, person, weak, soft, base)
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APASmart Define. (2016). fearful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fearful/thesaurus/synonyms
ChicagoSmart Define. 2016. "fearful thesaurus" https://smartdefine.org/fearful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fearful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fearful/thesaurus/synonyms>.
MLASmart Define. "fearful thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/fearful/thesaurus/synonyms>