Freak"ish, a.
Apt to change the mind suddenly; whimsical; capricious.
It may be a question whether the wife or the woman was the more freakish of the two.
L'Estrange.
Freakish when well, and fretful when she's sick.
Pope.
-- Freak"ish*ly, adv. -- Freak"ish*ness, n.
© Webster 1913.