Definition of '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"
- having crucial relevance; "crucial to the case"; "relevant testimony"
- of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence"
Synonyms: all-important all important essential of the essence
- having the power or quality of deciding; "the crucial experiment"; "cast the deciding vote"; "the determinative (or determinant) battle"
Synonyms: deciding determinant determinative determining