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incoherence

Noun

This term describes a breakdown in logical structure or communication, evoking a sense of fragmentation and confusion. It is frequently used in legal or psychological contexts to describe testimony or speech that fails to make sense, carrying a connotation of instability or mental distress. In technical scientific contexts, specifically optics and physics, it refers to a lack of phase synchronization between waves. This usage is precise and objective, contrasting with the more subjective and chaotic feeling of the word when applied to human speech or thought.

Meanings

Noun

The quality of being illogical, inconsistent, or lacking a clear connection between parts.

"The witness's testimony was marked by a total incoherence that made it impossible to follow the timeline of events."

Noun

The state of being unable to speak clearly or intelligibly, often due to extreme emotion, illness, or intoxication.

"In her state of shock, her incoherence was evident as she mumbled fragmented words and nonsensical phrases."

Noun

In physics, the property of waves that do not have a constant phase difference and therefore cannot produce a stable interference pattern.

"The light source exhibited a high degree of incoherence, preventing the researchers from achieving a clear holographic image."

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Last Updated: June 14, 2026Report an Error