494 entries under adjective topic. ×

6
glum(rough, nasty, dark, unpleasant)
6
hideous(appearance, evil, awful, violent)
6
left-handed(awkward, black, baleful, bodeful)
6
mischievous(evil, nasty, threatening, injurious)
6
morose(rough, nasty, sad, dark)
6
saturnine(rough, nasty, dark, unpleasant)
6
sorry(sad, unhappy, unpleasant, sorrow)
6
vile(mean, bad, wrong, evil)
5
vengeful(evil, nasty, negative, behavior)
5
alarming(hard, severe, offensive, distressing)
5
aloof(person, unwarmhearted)
5
banemalenteous(person, unwarmhearted)
5
barbaric(person, unwarmhearted)
5
bodeful(person, feelings, black, baleful)
5
brutal(person, unwarmhearted)
5
calamitous(evil, injurious, damaging, destructive)
5
cold-blooded(person, unwarmhearted)
5
cool(person, unwarmhearted)
5
criminal
5
detrimental(bad, evil, negative, harmful)
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APASmart Define. (2016). sinister thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sinister/thesaurus/synonyms
ChicagoSmart Define. 2016. "sinister thesaurus" https://smartdefine.org/sinister/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sinister thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sinister/thesaurus/synonyms>.
MLASmart Define. "sinister thesaurus" 3 April 2016. Web. 25 September 2026. <https://smartdefine.org/sinister/thesaurus/synonyms>