Become obscure
Cloud up and become obscure are semantically related. In some cases you can use "Cloud up" instead a verb phrase "Become obscure".
Cloud up
Cloud up verb - Become covered with clouds.
Become obscure and cloud up are semantically related. You can use "Become obscure" instead a verb "Cloud up".
Mutual synonyms
Cite this Source
Cloud up and Become obscure. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/become_obscure/cloud_up
Become obscure & Cloud up. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/become_obscure/cloud_up>.
Cloud up or Become obscure. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/become_obscure/cloud_up.
Google Ngram Viewer shows how "become obscure" and "cloud up" have occurred on timeline