Intelligent
Intelligent adjective - Having or showing quickness of mind.
Virulent and intelligent are semantically related. In some cases you can use "Virulent" instead an adjective "Intelligent".
Virulent
Virulent adjective - Having or showing a desire to cause someone pain or suffering for the sheer enjoyment of it.
Intelligent and virulent are semantically related. Sometimes you can use "Intelligent" instead an adjective "Virulent".
Nearby Word: virulence
Both words in one sentence
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But later, it's revealed that humanity as a whole has a far more deadlier archrivalry with the Flood, a highly virulent and intelligent parasite dating back to the time of the Forerunners.
Source: Arch Enemy / Video Games
Cite this Source
Virulent and Intelligent. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/intelligent/virulent
Intelligent & Virulent. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/intelligent/virulent>.
Virulent or Intelligent. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/intelligent/virulent.
Google Ngram Viewer shows how "intelligent" and "virulent" have occurred on timeline