the.com/incoherent
Words arrive, but the bus to meaning never shows up.
means So jumbled or disconnected that nobody can follow what is being said or thought.
from From Latin cohaerere, to stick together, plus the negating in- — literally not sticking together, words refusing to hold hands.
physics cousinLight is incoherent when its waves wander out of step.
medical senseDoctors note it when speech outruns sense entirely.
oppositeCoherent ideas cling like Velcro, not loose marbles.