Clammed up
Hamper and clammed up are semantically related. In some cases you can use "Hamper" instead a verb "Clammed up".
Hamper
Hamper verb - To create difficulty for the work or activity of.
Clammed up and hamper are semantically related. Sometimes you can use "Clammed up" instead a verb "Hamper".
Cite this Source
Hamper and Clammed up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/clammed_up/hamper
Clammed up & Hamper. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/clammed_up/hamper>.
Hamper or Clammed up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/clammed_up/hamper.
Google Ngram Viewer shows how "clammed up" and "hamper" have occurred on timeline