Flack and Virulency

Flack

Flack noun - Artillery designed to shoot upward at airplanes.

Virulency and flack are semantically related. In some cases you can use "Virulency" instead a noun "Flack".

Virulency

Virulency noun - Biting sharpness of feeling or expression.

Flack and virulency are semantically related. Sometimes you can use "Flack" instead a noun "Virulency".
Cite this Source
Virulency and Flack. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/flack/virulency
Flack & Virulency. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/flack/virulency>.
Virulency or Flack. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/flack/virulency.
Google Ngram Viewer shows how "flack" and "virulency" have occurred on timeline