From Longman Dictionary of Contemporary Englishall-importantˌall-imˈportant adjective extremely important the all-important question in everyone’s minds
Examples from the Corpus
all-important• The right area for this was all-important.• A feature of such organizations is that the means are all-important and the ends are of relatively secondary importance.• The search for Fedorov and Louise Müller, which had seemed all-important at the time, had been overtaken by weightier events.• Here was her big break, a star role to confirm that all-important credibility.• Only his awakening to a knowledge of this all-important fact can make it possible for the higher part of himself to develop.• Start the music and record one or two minutes to begin the all-important process of deep relaxation.• This cuts directly away from the usual philosophical wrangling about this all-important subject.• Study past exam papers, noting the exam format, the choice of questions, and the all-important time limit. 