all–im·por·tant 
/ˌɑ:lɪmˈpoɚtn̩t/ adjective
/ˌɑ:lɪmˈpoɚtn̩t/ adjective : very important
▪ an all-important question — often used in a humorous or exaggerated way ▪ She paused to consider the all-important issue of which shoes to wear.
▪ an all-important question — often used in a humorous or exaggerated way ▪ She paused to consider the all-important issue of which shoes to wear.
