She was a widow, a chameleon lady who worked in her flower beds in an old straw hat and men’s coveralls, but after her five o’clock bath she would appear on the porch and reign over the street in magisterial beauty.
There are no more uses of "chameleon" in the book.
Show samples from other sources
How many other roles in my life had this chameleon played?
Ransom Riggs -- Miss Peregrine’s Home for Peculiar Children
But Lalla could never be just a mother; that seemed to be only one muscle in her chameleon nature, which had too many other things to reflect.