Disjointed means not hanging together properly. A disjointed argument, disjointed and rambling, a disjointed performance.
It describes the joins rather than the parts, since a disjointed piece may be full of good material badly ordered. In speech it is one of the signs clinicians note, since disjointed talk can mark real confusion.
1adjectivedisjointedNot hanging together properly.
“His speech was disjointed, jumping from one topic to another without any link.”
disjointed is a quality.