Forth
Up on
Up on adjective - Being up to particular standard or level especially in being up to date in knowledge.
Both terms in one sentence
-
Looking over your shoulder to check for someone sneaking up on you, looking for choke points and other areas that would be useful if chased, so on and so forth.
Source: The Tetris Effect -
Idiot Ball: Katniss and Peeta toss this back and forth in the first book: Katniss for not picking up on Peeta's crush, and Peeta for assuming her reciprocation was real.
Source: Literature / The Hunger Games -
The entire world, not just Oz, which enables her to check up on Dorothy, Betsy, Trot, or any of the other semi-real-world characters who jump back and forth between Oz and the USA.
Source: Great Big Book of Everything
Cite this Source
Up on and Forth. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/forth/up_on
Forth & Up on. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/forth/up_on>.
Up on or Forth. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/forth/up_on.
Google Ngram Viewer shows how "forth" and "up on" have occurred on timeline