Synonyms|199Antonyms|23|Broader|0Narrower|0Related|184

7 entries under nasty topic. ×

11
dreadful(adjective, awful, terrible, disturbing)
9
creepy(adjective, scary, frightening)
6
terrifying(adjective, awful, terrible, weird)
5
hair-raising(adjective, awful, terrible, unreasonable)
4
ghoulish(adjective, awful, terrible, unreasonable)
4
scary(adjective, awful, terrible, unreasonable)
3
frightening(adjective, awful, terrible, unreasonable)
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APASmart Define. (2013). nightmarish thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/nightmarish/thesaurus/synonyms
ChicagoSmart Define. 2013. "nightmarish thesaurus" https://smartdefine.org/nightmarish/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2013, nightmarish thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/nightmarish/thesaurus/synonyms>.
MLASmart Define. "nightmarish thesaurus" 28 June 2013. Web. 30 September 2026. <https://smartdefine.org/nightmarish/thesaurus/synonyms>