Synonyms for sinister

Found 6 synonyms

ominous (adjective)

Synonyms:

menacing, portentous, baleful, threatening, inauspicious, eerie, spooky, fearsome, lurid.
dark (noun)
dire (adjective)

Synonyms:

direful, grim, gloomy, sullen.
foreboding (noun)
forbidding (participle)
somber (adjective)

Synonyms:

sombre.

More sinister synonyms

macabre, ominously, nefarious, insidious,
Synonyms "sinister" in the picture
Synonyms sinister