I've tried that last invention of yours, Jess, and it works fine in Coolish weather.
"The Young Alaskans on the Missouri"
Emerson Hough
The trees in the squares and places hung dull and tired in the Coolish, dusty atmosphere, and through the heart of the summer afternoon passed a presentiment of autumn.
"London Films"
W.D. Howells
The school was Coolish to them; one of the fellows hummed bars of some hymn tune, rather faster than church.
"The Complete Project Gutenberg Works of George Meredith"
George Meredith