Keen
Keen adjective - Able to sense slight impressions or differences.
On the lookout and keen are semantically related In some cases you can use "On the lookout" instead an adjective "Keen".
On the lookout
Keen and on the lookout are semantically related in careful topic. Sometimes you can use "Keen" instead an adjective phrase "On the lookout".
Mutual synonyms
Cite this Source
On the lookout and Keen. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/keen/on_the_lookout
Keen & On the lookout. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/keen/on_the_lookout>.
On the lookout or Keen. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/keen/on_the_lookout.
