a. 不连贯的, 语无伦次的

[医] 不连贯的

Incoherent \In`co*her"ent\, a. [Pref. in- not + coherent: cf. F.
incoh['e]rent.]
1. Not coherent; wanting cohesion; loose; unconnected;
physically disconnected; not fixed to each; -- said of
material substances. --Woodward.

2. Lacking logical coherence or agreement; incongruous;
inconsistent; having no dependence of one part on another;
logically disconnected; rambling; -- of speech or
discourse. ``The same rambling, incoherent manner.'' --Bp.
Warburton.

3. Exhibiting incoherent[2] speech or thought; -- of people;
as, a confused and incoherent accident victim.
[PJC]

4. Lacking harmony or congruity of parts.
[PJC]