It explained many surprises, many apparent ficklenesses in his life.
Cited from Sir George Tressady, Vol. I, by Mrs. Humphry Ward
All in all, in spite of certain ficklenesses in which this immortal musician has been surpassed by lovers of all walks of life, from blacksmiths to bishops, music has created one of tenderest, most honest of all romances.
Cited from The Love Affairs of Great Musicians, Volume 2, by Rupert Hughes
But just herein is the final proof of Constanze's devotion and her understanding of him, for, while there never was a breath of slander against herself, she found heart to forgive Mozart's ficklenesses.
Cited from The Love Affairs of Great Musicians, Volume 1, by Rupert Hughes
Root form of ficklenesses
for the noun.