Keen
Keen adjective - Having or showing quickness of mind.
Usage example: readers who were keen enough to realize that the writer was being satirical
Simple
Simple adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't be so quick to characterize people who have trouble with computers as simple
Both words in one sentence
- Keen can arrest a fall instantly by grabbing a pole, and also alternate jumping and grabbing to move up faster than simple climbing.
Source: Ladder Physics - Possibly a simple mistake from Crichton, failing to recognize between meters and feet, although this would seem unusual for a man so keen on showing his work.
Source: Literature / Pirate Latitudes
Cite this Source
Simple and Keen. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/keen/simple
Keen & Simple. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/keen/simple>.
Simple or Keen. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/keen/simple.
Google Ngram Viewer shows how "keen" and "simple" have occurred on timeline