At work
At work adjective - On the job.
Up to
Up to adjective - Busy or occupied with.
Mutual synonyms
Both terms in one sentence
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Amusingly, Terry Pratchett said that at nearly every book signing, a police officer would come up to him and say he knew a Colon and a Nobby at work.
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Back in the physical world, forces are at work hunting down and destroying the enemies of the Brotherhood, and the Brotherhood itself seems to be building its project up to an ultimate conclusion.
Source: Literature / Otherland -
Also, after his ears get flushed out from all the wax build-up, his hearing is Turned Up to Eleven, meaning he can't even focus at work thanks to all the tiny noises hitting him with the volume of a heavy metal concert.
Source: Cursed with Awesome
Cite this Source
Up to and At work. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/at_work/up_to
At work & Up to. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/at_work/up_to>.
Up to or At work. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/at_work/up_to.
Google Ngram Viewer shows how "at work" and "up to" have occurred on timeline