Malicious
Sinister
Sinister adjective - Being or showing a sign of evil or calamity to come.
Mutual synonyms
Both words in one sentence
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In Dungeons & Dragons, swamps are the traditional home of black dragons, generally regarded as the most sinister and malicious of all dragon breeds.
Source: Swamps Are Evil -
The Hunters are also somewhat unusual in that unlike most examples on this page, they're simply Punch Clock Villain-Starfish Aliens, who are not especially malicious or sinister beyond being really good at killing you.
Source: The Worm That Walks -
Yeah, they turn into sinister shadowy figures if presented with a first edition Han Solo figure, but outside of an intense game of D&D they have yet to be seen attacking people or acting with any sort of malicious intent.
Source: Webcomic / Weregeek
Cite this Source
Sinister and Malicious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/malicious/sinister
Malicious & Sinister. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/malicious/sinister>.
Sinister or Malicious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/malicious/sinister.
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