Clamming up
Thick as thieves and clamming up are semantically related. In some cases you can use "Thick as thieves" instead an adjective "Clamming up".
Thick as thieves
Clamming up and thick as thieves are semantically related. Sometimes you can use "Clamming up" instead an adjective phrase "Thick as thieves".
Mutual synonyms
Cite this Source
Thick as thieves and Clamming up. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/clamming_up/thick_as_thieves
Clamming up & Thick as thieves. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/clamming_up/thick_as_thieves>.
Thick as thieves or Clamming up. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/clamming_up/thick_as_thieves.
