Improsperous
Pronunciation : Im*pros"per*ous
Part of Speech : a.
Etymology : [Pref. im- not + prosperous: cf. F. improsp?re, L. improsper.]
Definition : Defn: Not prosperous. [Obs.] Dryden. -- Im*pros"per*ous*ly, adv. [Obs.] -- Im*pros"per*ous*ness, n. [Obs.]
Source : Webster's Unabridged Dictionary, 1913