Flak
Flak noun - Artillery designed to shoot upward at airplanes.
Strong criticism and flak are semantically related. In some cases you can use "Strong criticism" instead a noun "Flak".
Strong criticism
Flak and strong criticism are semantically related. You can use "Flak" instead a noun phrase "Strong criticism".
Cite this Source
Strong criticism and Flak. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/flak/strong_criticism
Flak & Strong criticism. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/flak/strong_criticism>.
Strong criticism or Flak. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/flak/strong_criticism.
Google Ngram Viewer shows how "flak" and "strong criticism" have occurred on timeline