The Collaborative International Dictionary of English v.0.48:
Unsoft \Un*soft"\ (?; 115), a. Not soft; hard; coarse; rough. [Obs.] "Bristles of his beard unsoft." --Chaucer. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Unsoft \Un*soft"\, adv. [AS. uns?fte. See Un- not, and Soft.] Not softly. [Obs.] [1913 Webster] Great climbers fall unsoft. --Spenser. [1913 Webster]