Definition of "freakful"

Round rolls the stroke with mathematic care,All centre-bound, exactly circular:No sportive way it takes, at large and free,No gambol plays of freakful liberty […]

1798, Joseph Fawcett, Written on Visiting the Gardens at Versailles

Jove heard his vows, and better'd his desire; For by some freakful chance he made retire From his companions

1819, John Keats, Lamia

I am Alas for the freakful fate which plays with poor humanity and its concerns!

1922, Archibald Phillip Primrose Rosebery, Lord Chatham: His Early Life and Connections

If God's actions are of a fortuitous nature, however grand, however glorious, they reduce Him to a mere freakful entity

2001, Ganga Prasad Upadhyaya, Vedic culture, page 44