important

adjectives

of great significance or value
"important people"; "the important questions of the day"
important, of import
is derived from
importance
antonym
unimportant
important in effect or meaning
"a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant"
important, significant
is derived from
importance
of extreme importance; vital to the resolution of a crisis
"a crucial moment in his career"; "a crucial election"; "a crucial issue for women"
crucial, important
is derived from
importance
having authority or ascendancy or influence
"an important official"; "the captain's authoritative manner"
authoritative, important
is derived from
importance
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"
important
is similar to
having or showing an exaggerated opinion of your importance, ability, etc
"brash immodest boasting"
immodest