Smooth
Smooth adjective - Involving minimal difficulty or effort.
Usage example: it should be smooth going from this point on
Unchallenging and smooth are semantically related. In some cases you can use "Unchallenging" instead an adjective "Smooth".
Unchallenging
Smooth and unchallenging are semantically related. You can use "Smooth" instead an adjective "Unchallenging".
Mutual synonyms
Related pairs
Cite this Source
Unchallenging and Smooth. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/smooth/unchallenging
Smooth & Unchallenging. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/smooth/unchallenging>.
Unchallenging or Smooth. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/smooth/unchallenging.
Google Ngram Viewer shows how "smooth" and "unchallenging" have occurred on timeline