Intense
Intense adjective - Extreme in degree, power, or effect.
Usage example: the intense cold of the polar regions
Keen is a synonym for intense in passionate topic. In some cases you can use "Keen" instead the word "Intense" as an adjective or a noun, when it comes to topics like forceful, acute. popular alternative
Keen
Keen adjective - Extreme in degree, power, or effect.
Usage example: movies gave him keen enjoyment like nothing else
Intense is a synonym for keen in eager topic. You can use "Intense" instead an adjective "Keen", if it concerns topics such as sharp, earnest, acute, enthusiastic. popular alternative
Mutual synonyms
Both words in one sentence
- What makes her special and able to keep up with all of their magical talents (like Subaru's Combat Cyborg frame, Erio's Super Speed, or Caro's Summon Magic) is a sharp mind, a reliable moral compass, a keen tactical sense, years of intense marksman training, and a metric crapton of determination.
Source: Badass Normal / Anime and Manga - Shiniez. Keen to convince Alan to try more intense bondage with her, Marion did something everyone including herself agrees was stupid, unfortunately for Marion she realised this only at the moment she slipped the knots about her wrists tight without a way to undo them.
Source: Idiot Ball / Web Comics
Cite this Source
Keen and Intense. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/intense/keen
Intense & Keen. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/intense/keen>.
Keen or Intense. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/intense/keen.
Google Ngram Viewer shows how "intense" and "keen" have occurred on timeline