unwont

From un- +‎ wont.

unwont (comparative more unwont, superlative most unwont)

1. (archaic, followed by "to") unwonted; unused; unaccustomed
   • 1829 May 2, [Walter Scott], Anne of Geierstein; or, The Maiden of the Mist. […], volume (please specify |volume=I to III), Edinburgh:  […] [Ballantyne and Company] for Cadell and Co., […]; London: Simpkin and Marshall, […], →OCLC:

     I am unwont to press my favours, or to deal with priests who require entreaty, when gifts are held out to them.

• “unwont”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.