Astounding
Astounding adjective - Causing a strong emotional reaction because of unexpectedness.
Keen and astounding are semantically related. In some cases you can use "Keen" instead an adjective "Astounding".
Keen
Keen adjective - Able to sense slight impressions or differences.
Astounding and keen are semantically related. Sometimes you can use "Astounding" instead an adjective "Keen".
Cite this Source
Keen and Astounding. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/astounding/keen
Astounding & Keen. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/astounding/keen>.
Keen or Astounding. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/astounding/keen.
Google Ngram Viewer shows how "astounding" and "keen" have occurred on timeline