61 entries under dreadful topic. ×

5
bloodcurdling(nasty, unpleasant, awful, terrible, unkind)
4
detestable(adjective, taste, nasty, unpleasant, awful)
4
unbearable(adjective, unpleasant, awful, terrible, disgusting)
4
ungodly(adjective, unpleasant, awful, terrible, disgusting)
3
baleful(awful, terrible)
3
lousy(adjective, nasty, unpleasant, awful, foul)
2
astounding(awful, terrible)
2
strange(awful, terrible, disturbing, scary)
1
disagreeable(adjective, dull, mean, nasty, unpleasant)
1
mean(adjective, nasty, unpleasant, awful, dirty)
1
scandalous(adjective, evil, nasty, unpleasant, awful)
1
shameful(adjective, nasty, unpleasant, awful, disgusting)
1
unpleasant(adjective, mean, tough, severe, nasty)
0
fairy(adjective, nasty, unpleasant, awful, disgusting)
0
overwhelming(awful, terrible)
0
raunchy(tough, nasty, unpleasant, terrible, shocking)
0
shuddersome(nasty, awful, terrible, disturbing)
0
sickie(adjective, nasty, unpleasant, awful, disgusting)
0
sublime(awful, terrible)
0
upsetting(awful, terrible, shocking, disturbing)
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APASmart Define. (2016). gruesome thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/gruesome/thesaurus/synonyms
ChicagoSmart Define. 2016. "gruesome thesaurus" https://smartdefine.org/gruesome/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, gruesome thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/gruesome/thesaurus/synonyms>.
MLASmart Define. "gruesome thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/gruesome/thesaurus/synonyms>