Clammed up
Zipped and clammed up are semantically related. in quiet topic. In some cases you can use "Zipped" instead an adjective "Clammed up", when it comes to topics like silent, uncommunicative, unwilling to decide.
Zipped
Clammed up and zipped are semantically related. You can use "Clammed up" instead an adjective "Zipped".
Mutual synonyms
Related pairs
Cite this Source
Zipped and Clammed up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/clammed_up/zipped
Clammed up & Zipped. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/clammed_up/zipped>.
Zipped or Clammed up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/clammed_up/zipped.
Google Ngram Viewer shows how "clammed up" and "zipped" have occurred on timeline