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

95 entries under dreadful topic. ×

4
ugly(adjective, bad, hard, tough, severe)
3
grave(adjective, tough, severe, difficult, unpleasant)
3
hair-raising(adjective, awful, terrible, shocking)
3
mean(adjective, bad, severe, rough, nasty)
3
wicked(adjective, bad, nasty, delicate, unpleasant)
2
cantankerous(adjective, hard, evil, rough, nasty)
2
distressing(adjective, bad, tough, severe, rough)
2
ghoulish(awful, terrible)
2
grievous(adjective, tough, severe, difficult, unpleasant)
2
lurid(adjective, awful, terrible, shocking)
2
macabre(awful, terrible, shocking, upsetting)
2
morbid(awful, terrible, shocking, upsetting)
2
nasty(adjective, bad, hard, rough, difficult)
2
stupefying(adjective, awful, wonderful, amazing, grand)
2
treacherous(adjective, bad, hard, evil, rough)
2
violent(adjective, hard, severe, rough, difficult)
1
despicable(adjective, hard, evil, rough, nasty)
1
dirty(adjective, hard, rough, nasty, rude)
1
disagreeable(adjective, hard, evil, rough, nasty)
1
eerie(adjective, awful, terrible)
For more, visit Formidable on Power Thesaurus
11 years ago|23k views|share |citing 
APASmart Define. (2015). formidable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/formidable/thesaurus/synonyms
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>