inconstant

Bob Smith: unbalanced, inconstant, and even more of a carpetbagger than the other guy.

At this moment, Brown seemed particularly inconstant and indecisive.

Therefore, whatever changes you want made along that line will be made for propriety, and propriety is a very inconstant thing.

Women accuse men of being inconstant, and men retort that women are fickle.

Much attention was given to the arrangement of the hair, the fashions being as numerous and as inconstant as they are to-day.

This inconstant temper he had already manifested, and given the worst example of, before his acquaintance with the great tempter.

My pretty Lotty knew perfectly the power they gave her over the restless and inconstant heart of man, but she did not abuse it.

Catharine had not mistaken her power over the feeble intellect and the inconstant will of her son.