definition of
[important]

[1] #1 important a. [of import] of great significance or value; "important people"; "the important questions of the day". wn

[2] #2 important a. [significant] important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant". wn

[3] #3 important a. [crucial] of extreme importance; vital to the resolution of a crisis; "a crucial moment in his career"; "a crucial election"; "a crucial issue for women". wn