Work up
Work up verb - To produce or bring about especially by long or repeated effort.
Working out is a synonym for work up. In some cases you can replace phrase "Working out" with "Work up", this terms are similar.
Working out
Working out noun - Developing in intricate and painstaking detail.
Work up is a synonym for working out. Sometimes you can use "Work up" instead a verb phrase "Working out".
Cite this Source
Working out and Work up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/work_up/working_out
Work up & Working out. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/work_up/working_out>.
Working out or Work up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/work_up/working_out.
Google Ngram Viewer shows how "work up" and "working out" have occurred on timeline