“+ adjective
Etymology: Middle English unsesounable, from un- (I) + sesounable seasonable
1. : not seasonable : being, done, or occurring out of the proper season : untimely , inappropriate
you think my intrusion unseasonable — T.L.Peacock
their aim … to guard the free income of the lesser vested interests against the unseasonable rapacity of the greater ones — Thorstein Veblen
lovers will drop in at most unseasonable hours — Anthony Trollope
2. : not being in season
after spawning when the fish … are thin, weak, and unseasonable — C.R.A.Martin
this partridge was evidently a diseased bird, and the unseasonable egg was probably due to some abnormal condition — Country Life
3.
a. : not usual or normal and usually undesirable for the season of the year
to forestall losses from sudden unseasonable northers — American Guide Series: Texas
an unseasonable April blizzard
b. : characterized by unseasonable weather
boarding houses … had suffered from the unseasonable summer — Mollie Panter-Downes