Unconnected (adjective)

1. Not joined or linked together.
2. Not associated or related.

Origin:

Late 16th century: from un- (expressing negation) + connected, past participle of connect.

Examples:

1. The unconnected pieces of the puzzle refused to fit together.
2. The unconnected events of the day made no sense to the detective.
3. The unconnected wires caused the system to fail.
4. The unconnected statements of the witness were not credible.
5. The unconnected ideas in the book were not well organized.