Back
Keep up
Keep up verb - To continue to operate or to meet one's needs.
Both terms in one sentence
- Those races were between the Silver Age versions of those two characters back when Superman really could keep up with the Flash (life just wasn't fair for the rest of the JLA back then).
Source: Curb Stomp Battle / Comic Books - While Nyarlathotep can fight back, they still are pounding him so badly his Healing Factor can't keep up and he's ultimately forced to flee back to reality.
- They also bring dead politicians and celebrities back to life to kill them again, just to keep up with the bad taste.
Source: Vulgar Humor
Cite this Source
Keep up and Back. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/back/keep_up
Back & Keep up. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/back/keep_up>.
Keep up or Back. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/back/keep_up.
Google Ngram Viewer shows how "back" and "keep up" have occurred on timeline