fickle

She did not understand the workings of Pee-wee's active and fickle mind.

Vere, Artois thought, might be violent, but would not be fickle.

Of these the forms should be fixed, and not allowed to depend on the fickle breath of the multitude.

It is a fickle ally at best, and to rely on its support is to lean on a split reed.

It was all over, and he had to bear the loss of the fickle girl as best he might.

Dumaresque agreed that it was true of any fancy, to one of fickle nature.

He is vicious and fickle, and I do not like to feel that any of us should be in his power.

Victor Lamont's fickle fancy for his companion had been a short-lived one.

The fickle hand of Fate came in between just in time to share in the matter.

Query, but is it constancy where there is no temptation to be fickle?