177 entries under terrible topic. ×

11
tremendous(adjective, awful, fear, horrible)
11
unspeakable(adjective, mean, nasty, unpleasant, awful)
10
beastly(adjective, nasty, unpleasant, awful)
10
cruel(adjective, appearance, unpleasant, awful)
10
deadly(adjective, awful, horrible, live)
10
distasteful(adjective, nasty, unpleasant, awful)
10
evil(adjective, nasty, unpleasant, disgusting)
10
odious(adjective, bad, nasty, offensive, unpleasant)
10
vicious(adjective, awful, horrible, afraid)
9
gross(adjective, bad, nasty, offensive, unpleasant)
9
hair-raising(adjective, bad, awful, disgusting)
9
spine-chilling(adjective, bad, awful, disgusting)
8
eerie(adjective, bad, unpleasant, awful)
8
execrable(adjective, unpleasant, awful, disgusting)
8
flagitious(adjective, awful, horrible, afraid)
8
forbidding(adjective, appearance, hopeless)
8
objectionable(adjective, dull, bad, nasty, offensive)
8
redoubtable(adjective, awful, fear, dreadful)
8
rotten(adjective, bad, nasty, unpleasant, awful)
8
unholy(adjective, bad, offensive, unpleasant, awful)
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APASmart Define. (2016). ghastly thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ghastly/thesaurus/synonyms
ChicagoSmart Define. 2016. "ghastly thesaurus" https://smartdefine.org/ghastly/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, ghastly thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ghastly/thesaurus/synonyms>.
MLASmart Define. "ghastly thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/ghastly/thesaurus/synonyms>