Adjective
1. of great significance or value;
"important people""the important questions of the day"2. important in effect or meaning;
"a significant change in tax laws""a significant change in the Constitution""a significant contribution""significant details""statistically significant"3. of extreme importance; vital to the resolution of a crisis;
"a crucial moment in his career""a crucial election""a crucial issue for women"4. having authority or ascendancy or influence;
"an important official""the captain's authoritative manner"5. 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"