What is inconceivable. [Obs.] Locke. -- Un`con*ceiv"a*ble*ness, n. [Obs.] -- Un`con*ceiv"a*bly, adv. [Obs.] called?

unconceivable — Inconceivable. [Obs.] Locke. -- Un`con*ceiv"a*ble*ness, n. [Obs.] -- Un`con*ceiv"a*bly, adv. [Obs.]. (Webster's 1913.)