Noah Webster's Dictionary (a.) Not seasonable; being, done, or occurring out of the proper season; ill-timed; untimely; too early or too late; as, he called at an unseasonable hour; unseasonable advice; unseasonable frosts; unseasonable food.

Multi-Version Concordance Unseasonable (1 Occurrence) Revelation 6:13 and the stars of heaven fell upon the earth, as a fig tree, shaken by a great wind, casts its unseasonable figs. (DBY)