c. 1445. Pecock, Donet (1921), 160. Ȝitt if þei be not vnrecouerabli [unre]dressable, þouȝ to so redresse happily longiþ sum labour.
1578. Walsingham, in Nicolas, Life & T. Sir C. Hatton (1847), 60. We shall estrange Scotland from us unrecoverably.
1628. T. Spencer, Logick, 125. Thereby we finde, that this condition befalls them secretly, certainly, vnrecoverably.
a. 1652. Brome, Damoiselle, III. ii. [He is] most unrecoverably mad!
1690. Baxter, Kingd. Christ, iv. (1691), 49. They are unrecoverably Extinct.
