Spontaneous
Spontaneous adjective - Done instantly and without conscious thought or decision.
Unchallenging and spontaneous are semantically related. In some cases you can use "Unchallenging" instead an adjective "Spontaneous".
Nearby Words: spontaneity, spontaneously
Unchallenging
Spontaneous and unchallenging are semantically related. Sometimes you can use "Spontaneous" instead an adjective "Unchallenging".
Cite this Source
Unchallenging and Spontaneous. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/spontaneous/unchallenging
Spontaneous & Unchallenging. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/spontaneous/unchallenging>.
Unchallenging or Spontaneous. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/spontaneous/unchallenging.
Google Ngram Viewer shows how "spontaneous" and "unchallenging" have occurred on timeline