72 entries under dreadful topic. ×

4
angry(adjective, state, characteristic, evil, unpleasant)
4
disgusting(adjective, nasty, offensive, unpleasant, terrible)
4
evil(adjective, nasty, unpleasant, terrible, disgusting)
4
formidable(adjective, appearance, tough, unpleasant, terrible)
4
grave(adjective, close, hard, severe, harsh)
4
obnoxious(adjective, rough, nasty, offensive, dark)
4
saturnine(adjective, severe, rough, nasty, dark)
4
shocking(adjective, appearance, tough, unpleasant, terrible)
3
glum(adjective, severe, evil, rough, nasty)
3
morose(adjective, severe, rough, nasty, dark)
3
rough(adjective, person, strong, hard, tough)
3
serious(adjective, close, strong, hard, tough)
2
base(adjective, unpleasant, horrible, disagreeable)
2
crabbed(adjective, severe, rough, nasty, dark)
2
crabby(adjective, rough, nasty, dark, unpleasant)
2
ignoble(adjective, unpleasant, horrible, disagreeable)
2
low(adjective, unpleasant, horrible, disagreeable)
2
nauseous(adjective, dislike, unpleasant, disgusting, horrible)
2
noisome(adjective, offensive, unpleasant, disgusting, horrible)
2
objectionable(adjective, offensive, unpleasant, disgusting, horrible)
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APASmart Define. (2016). forbidding thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/forbidding/thesaurus/synonyms
ChicagoSmart Define. 2016. "forbidding thesaurus" https://smartdefine.org/forbidding/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, forbidding thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/forbidding/thesaurus/synonyms>.
MLASmart Define. "forbidding thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/forbidding/thesaurus/synonyms>