Contract
Contract verb - To reduce in size or volume by or as if by pressing parts or members together.
Usage example: contract the calf muscles in your legs
Concentrate is a synonym for contract in focus topic. In some cases you can use "Concentrate" instead a verb "Contract", when it comes to topics like shrink.
Cite this Source
Concentrate and Contract. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/contract/concentrate
Contract & Concentrate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/contract/concentrate>.
Concentrate or Contract. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/contract/concentrate.
Google Ngram Viewer shows how "contract" and "concentrate" have occurred on timeline