1. the quality or state of being incoherent; lack of logical connection or clarity in speech, writing, or thought
2. something that is incoherent; a statement or passage that lacks logical connection

Examples

• The patient's speech was marked by incoherency, jumping from topic to topic without clear transitions.
• The essay suffered from incoherency; the arguments did not follow logically from one paragraph to the next.
• His explanation was full of incoherency, making it impossible to understand his position.
• The witness's testimony contained several incoherencies that raised questions about her credibility.
• After the accident, the victim spoke with incoherency, confusing the paramedics about her injuries.
• The report's incoherency made it difficult for the board to make an informed decision.