Coherence/kəʊˈhɪrəns/ Definition 1 of 3Pro Tip 1/3Logical Flow Use 'coherence' to describe ideas or arguments that connect smoothly. Her essay had great coherence, each point leading into the next. Pro Tip 2/3Avoid Contradictions Coherence is lost if statements contradict each other. The witness's testimony lacked coherence because of several contradictions. Pro Tip 3/3Critical Analysis Question the coherence of theories or accounts to assess their reliability. The coherence of his argument fell apart under critical analysis.