Keen
Keen adjective - Able to sense slight impressions or differences.
Usage example: pilots with especially keen eyesight
Sensitive is a synonym for keen in acute topic. In some cases you can use "Sensitive" instead an adjective "Keen", when it comes to topics like characteristic, aware, penetrating, intelligent. popular alternative
Sensitive
Sensitive adjective - Able to sense slight impressions or differences.
Usage example: a scale that is sensitive to the smallest change in weight
Keen is a synonym for sensitive in characteristic topic. You can use "Keen" instead the word "Sensitive" as an adjective or a noun, if it concerns topics such as aware, precise, acute, careful. popular alternative
Mutual synonyms
Both words in one sentence
- Male nooks are more or less vestigial and it's considered taboo to stick stuff in them; most male trolls aren't keen to do so anyway because they tend to be over- or under-sensitive.
Source: Fan Fic / Hive Fled - Samwell Tarly in A Song of Ice and Fire is a very intelligent and sensitive boy, very much a Non-Action Guy (especially at the start of the series), born into a society that values boys who grow to be great knights and to a father who is especially keen on following those values.
Source: Father, I Don't Want To Fight - War Is Hell: Keen's short tale of the Cirigoth invasion is anything but pretty, and enemy Mooks sometimes act in ways that are certain to make the more sensitive-minded players uneasy... Warrior Poet: Colonel Justin Stryker is a major example.
Source: Video Game / Everlong
Cite this Source
Sensitive and Keen. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/keen/sensitive
Keen & Sensitive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/keen/sensitive>.
Sensitive or Keen. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/keen/sensitive.
Google Ngram Viewer shows how "keen" and "sensitive" have occurred on timeline