ɔːˈθɒɹɪˌteɪtɪv əˈθɔɹɪˌteɪtɪv ˈkɹuː.ʃəl ɪmˈpɔːtənt ɪmˈpɔɹtənt sɪɡˈnɪ.fɪ.kənt of extreme importance; vital to the resolution of a crisis a crucial moment in his career a crucial election a crucial issue for women of great significance or value important people the important questions of the day having or suggesting a consciousness of high position recited the decree with an important air took long important strides in the direction of his office having authority or ascendancy or influence an important official the captain's authoritative manner important in effect or meaning a significant change in tax laws a significant change in the Constitution a significant contribution significant details statistically significant