A History of Short Words

From the New York Times Crossword Puzzle

INERT

Sat, 26 Nov '22
Unmoving
Tue, 16 Aug '22
Like neon and argon
Sun, 5 Jun '22
Still
Wed, 9 Mar '22
Like helium
Thu, 27 Jan '22
Immobile
Sat, 16 Oct '21
Unlikely to give a strong reaction
Sun, 18 Apr '21
Like neon
Sat, 13 Mar '21
Unmotivated, and then some
Thu, 25 Feb '21
Unreactive
Wed, 6 Jan '21
Not reacting