In`com*pos"si*ble (?), a. [Pref. in- not + compossible: cf. F. incompossible.]
Not capable of joint existence; incompatible; inconsistent.
[Obs.]
Ambition and faith . . . are . . . incompossible.
Jer. Taylor.
-- In`com*pos`si*bil"i*ty (#), n. [Obs.]
© Webster 1913.