Incoherent
Pronunciation : In`co*her"ent
Part of Speech : a.
Etymology : [Pref. in- not + coherent: cf. F. incoh?rent.]
Definition : 1. Not coherent; wanting cohesion; loose; unconnected; physically disconnected; not fixed to each; -- said of material substances. Woodward.
2. Wanting coherence or agreement; incongruous; inconsistent; having no dependence of one part on another; logically disconnected. "The same rambling, incoherent manner." Bp. Warburton.
Source : Webster's Unabridged Dictionary, 1913