67 entries under dreadful topic. ×

14
unpleasant(adjective, adverb, mean, bad, severe)
13
heinous(adjective, offensive, unpleasant, awful, violent)
13
hideous(adjective, nasty, unpleasant, awful, terrible)
12
disagreeable(adjective, adverb, mean, nasty, plain)
11
horrendous(adjective, offensive, unpleasant, awful, terrible)
10
lousy(adjective, rough, poor, nasty, offensive)
10
ghastly(adjective, nasty, unpleasant, awful, terrible)
10
shocking(adjective, nasty, offensive, unpleasant, awful)
9
bad(adjective, quality, poor, offensive, unpleasant)
9
gruesome(adjective, nasty, unpleasant, awful, terrible)
9
wicked(adjective, mean, nasty, offensive, awful)
8
despicable(adjective, mean, nasty, offensive, terrible)
8
grisly(adjective, unpleasant, awful, terrible, disgusting)
7
abhorrent(adjective, mean, severe, nasty, offensive)
7
ungodly(adjective, offensive, unpleasant, awful, terrible)
6
contemptible(vile, wicked, shocking, wretched)
6
detestable(adjective, nasty, offensive, unpleasant, awful)
6
dirty(adjective, vile, wicked, wretched)
6
fearful(adjective, unpleasant, awful, terrible, disgusting)
5
low(adjective, adverb, mean, bad, nasty)
10 years ago|14k views|share |citing 
APASmart Define. (2016). beastly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/beastly/thesaurus/synonyms
ChicagoSmart Define. 2016. "beastly thesaurus" https://smartdefine.org/beastly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, beastly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/beastly/thesaurus/synonyms>.
MLASmart Define. "beastly thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/beastly/thesaurus/synonyms>