Assertive and Cocksure

Assertive

Assertive adjective - Having or showing a bold forcefulness in the pursuit of a goal.
Usage example: some reef fish are assertive in defending their territory

Cocksure and assertive are semantically related. In some cases you can use "Cocksure" instead an adjective "Assertive".

Cocksure

Cocksure adjective - Displaying or marked by rude boldness.
Usage example: his cocksure assertion that he could bed any woman of his choice

Assertive and cocksure are semantically related. Sometimes you can use "Assertive" instead an adjective "Cocksure".
Cite this Source
Cocksure and Assertive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assertive/cocksure
Assertive & Cocksure. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assertive/cocksure>.
Cocksure or Assertive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assertive/cocksure.
Google Ngram Viewer shows how "assertive" and "cocksure" have occurred on timeline