Knock against
Knock against verb - Collide violently with an obstacle.
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Synonyms for Knock against
Smack and knock against are semantically related. In some cases you can use "Smack" instead a verb "Knock against".
Smack
Smack verb - To deliver a blow to (someone or something) usually in a strong vigorous manner.
Knock against and smack are semantically related. Sometimes you can use "Knock against" instead a verb "Smack".
Mutual synonyms
Cite this Source
Smack and Knock against. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/knock_against/smack
Knock against & Smack. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/knock_against/smack>.
Smack or Knock against. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/knock_against/smack.
Google Ngram Viewer shows how "knock against" and "smack" have occurred on timeline