kəʊˈhɪəɹənt koːˈhiɹənt koʊˈhɛɹənt kənˈsɪstənt ˈlɒdʒɪkəɫ ˈlɑdʒɪkəɫ ˈl(j)uːsɪd ˈɔɹdɚd ˈɔːdəd təˈneɪʃəs sticking together two coherent sheets tenacious burrs (physics) of waves having a constant phase relation marked by an orderly, logical, and aesthetically consistent relation of parts a coherent argument capable of thinking and expressing yourself in a clear and consistent manner a lucid thinker she was more coherent than she had been just after the accident