Found 2 items, similar to all-important.
English → English (WordNet) Definition: all-important all-important adj : of the greatest importance; “the all-important subject of disarmament”; “crucial information”; “in chess cool nerves are of the essence” [syn: all-important(a), all important(p) , crucial, essential, of the essence(p) ]
English → English (gcide) Definition: all-important all-important \all-important\ adj. prenom. 1. of the greatest importance. the all-important subject of disarmament Syn: all important(predicate), crucial, essential, of the essence(predicate). [WordNet 1.5]