Straight up
Up on and straight up are semantically related. In some cases you can use "Up on" instead an adverb phrase "Straight up".
Up on
Up on adjective - Being up to particular standard or level especially in being up to date in knowledge.
Straight up and up on are semantically related. Sometimes you can use "Straight up" instead an adverb "Up on".
Both terms in one sentence
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The very last evidence-presentation of the third game will, similarly, begin with the same lines, even going straight up to an close-up on your adversary before he waits for your rebuttal.
Source: No Fair Cheating -
Zodd doesn't seem to be that high up on Guts shit-list either, since their interactions have mainly been straight up fights, and circumstantial at that, not personal or attempts at psychological torture and taunting, like many, many other apostles have tried and failed.
Source: Friendly Enemy -
In "Straight Up Juggahos", the boys scheme to set Jillian up on a blind date with a man they found online, telling her he is a friend named Jake Heisenripbauer (a name they made up on the spot).
Source: Series / Workaholics
Cite this Source
Up on and Straight up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/straight_up/up_on
Straight up & Up on. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/straight_up/up_on>.
Up on or Straight up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/straight_up/up_on.
Google Ngram Viewer shows how "straight up" and "up on" have occurred on timeline