Knock
Knock noun - A hard strike with a part of the body or an instrument.
Smear campaign and knock are semantically related. In some cases you can use "Smear campaign" instead a noun "Knock".
Smear campaign
Knock and smear campaign are semantically related. Sometimes you can use "Knock" instead a noun phrase "Smear campaign".
Cite this Source
Smear campaign and Knock. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/knock/smear_campaign
Knock & Smear campaign. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/knock/smear_campaign>.
Smear campaign or Knock. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/knock/smear_campaign.
Google Ngram Viewer shows how "knock" and "smear campaign" have occurred on timeline