Synonyms|768Antonyms|230|Broader|9Narrower|0Related|1.3k

95 entries under dreadful topic. ×

1
evil(adjective, hard, rough, nasty, rude)
1
ignoble(adjective, hard, evil, rough, nasty)
1
major(adjective, tough, severe, unpleasant, important)
1
ominous(adjective, appearance, unpleasant, awful, terrible)
1
pesky(adjective, hard, evil, rough, nasty)
1
sinister(adjective, appearance, unpleasant, awful, terrible)
1
unpleasant(adjective, hard, tough, evil, rough)
1
vexatious(adjective, hard, severe, evil, rough)
1
vicious(adjective, hard, evil, rough, nasty)
1
vile(adjective, hard, evil, rough, nasty)
0
abysmal(awful, terrible)
0
baleful(awful, terrible)
0
base(adjective, unpleasant, horrible, disagreeable)
0
bellicose(adjective, unpleasant, horrible, disagreeable)
0
bloodcurdling(awful, terrible)
0
crabbed(adjective, unpleasant, horrible, disagreeable, ugly)
0
crabby(adjective, unpleasant, horrible, disagreeable)
0
disgusting(adjective, unpleasant, awful, horrible, shocking)
0
disquieting(great, shocking, huge, upsetting)
0
distasteful(adjective, unpleasant, horrible, disagreeable)
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ChicagoSmart Define. 2015. "formidable thesaurus" https://smartdefine.org/formidable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, formidable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/formidable/thesaurus/synonyms>.
MLASmart Define. "formidable thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/formidable/thesaurus/synonyms>