Adjective
-
of the greatest importance
"the all-important subject of disarmament"
"crucial information"
"in chess cool nerves are of the essence"
- all important - all important - of the essence -
having crucial relevance
"crucial to the case"
"relevant testimony"
-
of extreme importance
vital to the resolution of a crisis
"a crucial moment in his career"
"a crucial election"
"a crucial issue for women"