Synonyms|199Antonyms|23|Broader|0Narrower|0Related|184
1
strange
1
surreal
1
terrific
1
traumatic(adjective, terrible, frightening, nightmare, terrifying)
1
ugly
1
unearthly
1
unnerving(adjective, frightening)
1
unreal(excellent, gentle, marvelous, vague, dreamy)
1
weird
0
Kafkaesque
0
abnormal(adjective, extraordinary, unreasonable, inappropriate, absurd)
0
abstracted(gentle, marvelous, vague, dreamy, faraway)
0
absurd(adjective, extraordinary, unreasonable, inappropriate, ridiculous)
0
alien
0
astral(excellent, gentle, marvelous, vague, dreamy)
0
barbaric
0
barbarous
0
beastly
0
brutal
0
brutish
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APASmart Define. (2013). nightmarish thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/nightmarish/thesaurus/synonyms
ChicagoSmart Define. 2013. "nightmarish thesaurus" https://smartdefine.org/nightmarish/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, nightmarish thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/nightmarish/thesaurus/synonyms>.
MLASmart Define. "nightmarish thesaurus" 28 June 2013. Web. 28 September 2026. <https://smartdefine.org/nightmarish/thesaurus/synonyms>