KEEN
4 letters
Historical clue formulations
- "Neato!" — 2026-05-03
- Eager — 2026-03-08
- Characteristic of a penetrating mind — 2025-07-28
- Enthusiastic — 2024-03-28
- Sharp and shrewd — 2023-12-05
- Sharp-witted — 2023-07-17
- Astute — 2022-09-06
- Perceptive, as an eye — 2022-07-03
- Sharp — 2022-04-09
- Eager — 2022-03-02
- Sharp — 2022-02-18
- Perceptive — 2022-01-19
- Sharp — 2020-11-25
- Sharp — 2020-11-22
- Enthusiastic — 2020-09-21
- Avid — 2020-05-04
- Eager — 2019-09-18
- Sharp-witted — 2019-07-29
- Sharp as a tack — 2019-04-22
- Intent — 2019-03-08
- Sharp — 2019-01-31
- Perspicacious — 2019-01-13
- Eager — 2018-09-16
- Sharp — 2018-06-03
- Sharp — 2018-04-10
- Enthusiastic — 2017-06-26
- Gung-ho — 2016-08-14
- Eager — 2016-08-04
- Sharp — 2015-02-20
- What was once cool? — 2014-09-27
- Astute — 2014-09-22
- Sharp — 2014-06-17
- Enthusiastic — 2014-01-20
- Sound like a banshee — 2012-08-15
- Gung-ho — 2011-08-11
- Gung-ho — 2011-03-02
- Itching (to) — 2009-06-06
- Razor-sharp — 2007-12-26
- Sharp as a tack — 2007-10-10
- Like an eagle's vision — 2007-04-24
- Nifty — 2007-04-09
- Like an eagle's vision — 2007-03-05
- Eager — 2006-11-13
- Sharply focused — 2005-11-20
- Penetrating — 2005-01-09
- Sharp — 2004-09-26
- Biting — 2004-08-14
- Sharp — 2004-02-23
- Neato — 2004-01-08
- Sharp — 2003-01-05