Bob Smith: unbalanced, inconstant, and even more of a carpetbagger than the other guy.
The inconstant clergy, senate, and people of the city joined him, the usurper was seized in his palace and beheaded.
I hope, Fanny, you are not inconstant; I assure you he deserves much better of you.
Without such barriers every individual is at the mercy of an inconstant majority.
Some are warm, but volatile and inconstant; he was warm too, but steady and unchangeable.
Human nature is too inconstant to admit of any such regularity.
They bloom together, they wither together; not one of them is inconstant.
With large, melancholy, inconstant eyes the Italian looked at her.
Does he seem so light and inconstant that he needs some discipline?
Courtiers are made of chameleons, because they are inconstant and know how to temporize.
inconstant in·con·stant (ĭn-kŏn'stənt)
Changing or varying, especially often and without discernible pattern or reason.
Relating to a structure that normally may or may not be present.