UnprobablyUn*prob"a*bly\, adv. [Pref. un- not + probably.] Improbably.
UnprobablyUn*prob"a*bly\, adv. [Un- + L. probabilis approvable, fr. probare to approve. Cf. Probable.] In a manner not to be approved of; improperly. [Obs. & R.] To diminish, by the authority of wise and knowing men, things unjustly and unprobably crept in. --Strype.