important

adjective

1. 1

   of extreme importance; vital to the resolution of a crisis

   a crucial moment in his career

   a crucial election

2. 2

   of great significance or value

   important people

   the important questions of the day

3. 3

   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

4. 4

   having authority or ascendancy or influence

   an important official

   the captain's authoritative manner

5. 5

   important in effect or meaning

   a significant change in tax laws

   a significant change in the Constitution