Locking up
Massing and locking up are semantically related. In some cases you can use "Massing" instead a verb "Locking up".
Massing
Locking up and massing are semantically related. Sometimes you can use "Locking up" instead a verb "Massing".
Mutual synonyms
Cite this Source
Massing and Locking up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/locking_up/massing
Locking up & Massing. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/locking_up/massing>.
Massing or Locking up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/locking_up/massing.
Google Ngram Viewer shows how "locking up" and "massing" have occurred on timeline