Running
Running adjective - Being in effective operation.
Unchallenging and running are semantically related. In some cases you can use "Unchallenging" instead an adjective "Running".
Unchallenging
Running and unchallenging are semantically related. Sometimes you can use "Running" instead an adjective "Unchallenging".
Cite this Source
Unchallenging and Running. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/running/unchallenging
Running & Unchallenging. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/running/unchallenging>.
Unchallenging or Running. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/running/unchallenging.
Google Ngram Viewer shows how "running" and "unchallenging" have occurred on timeline