A History of Short Words

From the New York Times Crossword Puzzle

KEEN

Tue, 5 Dec '23
Sharp and shrewd
Mon, 17 Jul '23
Sharp-witted
Tue, 6 Sep '22
Astute
Sun, 3 Jul '22
Perceptive, as an eye
Sat, 9 Apr '22
Sharp
Wed, 2 Mar '22
Eager
Fri, 18 Feb '22
Sharp
Wed, 19 Jan '22
Perceptive
Thu, 31 Dec '20
Razor-sharp