Locking up
Obscure and locking up are semantically related. in conceal topic. In some cases you can use "Obscure" instead a verb "Locking up", when it comes to topics like hide.
Obscure
Obscure verb - To keep secret or shut off from view.
Cite this Source
Obscure and Locking up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/locking_up/obscure
Locking up & Obscure. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/locking_up/obscure>.
Obscure or Locking up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/locking_up/obscure.
Google Ngram Viewer shows how "locking up" and "obscure" have occurred on timeline