Sealed up
Up on
Up on adjective - Being up to particular standard or level especially in being up to date in knowledge.
Mutual synonyms
Cite this Source
Up on and Sealed up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/sealed_up/up_on
Sealed up & Up on. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/sealed_up/up_on>.
Up on or Sealed up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/sealed_up/up_on.
Google Ngram Viewer shows how "sealed up" and "up on" have occurred on timeline