Up on and Under

Opposite meaning terms

Up on adjective - Being up to particular standard or level especially in being up to date in knowledge.

Show all Definitions

Under is an antonym for up on in topics: upon, higher in position.

Under adverb - In or to a lower place.

Show all Definitions

Up on is an antonym for under.

Cite this Source

Under and Up on. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/up_on/under

Up on & Under. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/up_on/under>.

Under or Up on. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/up_on/under.

Google Ngram Viewer shows how "up on" and "under" have occurred on timeline